YOU SAID:

i get a dog if this gets 100 likes

INTO JAPANESE

これが100好きになれば犬を飼っています。

BACK INTO ENGLISH

I have a dog if I like 100 of it.

INTO JAPANESE

私はそれが100好きなら私は犬を飼っています。

BACK INTO ENGLISH

If I like that 100 I have a dog.

INTO JAPANESE

私はその100が好きなら私は犬を飼っています。

BACK INTO ENGLISH

If I like that 100 I have a dog.