Here are two spheres, with radii \(3 cm\) and \(4.5 cm\) respectively. The surface area of the smaller sphere is \(36\pi cm^2\) . What is the surface area of the larger sphere?

• \(41\pi cm^2\)
• \(54\pi cm^2\)
• \(81\pi cm^2\)
• \(121,5\pi cm^2\)