adjectives - use of "as that of" as comparative and possessive case following it

which of the following usage are right ?

1) The life of the rich is as peaceful as that of the poor.
2) the life of the rich is as peaceful as that of the poor's.

3) Your bicycle is as beautiful as that of his.
4) your bicycle is as beautiful as that of him.

now if second sentence is wrong then third sentence should also be wrong.
please explain. I have seen many a time a possessive case followed by "as that of" . so when can we use a possessive case after " as that of"