$ sudo apt-get update
$ sudo apt-get install libgooglecharts-ruby 

libgooglecharts-ruby is installed in your system.

Make ensure the libgooglecharts-ruby package were installed using the commands given below,

$ sudo dpkg-query -l | grep libgooglecharts-ruby *

You will get with libgooglecharts-ruby package name, version, architecture and description in a table

libgooglecharts-ruby package basic information: