Finding the Fourth Proportional to 141,389,012,309.31, 195,116,785,447.86 and 77,159,736,771.12

Step by Step Solution

1. Step 1: Write the proportion equation
   141,389,012,309.31 : 195,116,785,447.86 = 77,159,736,771.12 : x
2. Step 2: Convert to fraction form
   141,389,012,309.31/195,116,785,447.86 = 77,159,736,771.12/x
3. Step 3: Cross multiply
   141,389,012,309.31x = 195,116,785,447.86 × 77,159,736,771.12
4. Step 4: Simplify right side
   141,389,012,309.31x = 15,055,159,804,783,973,367,808
5. Step 5: Solve for x
   x = 15,055,159,804,783,973,367,808/141,389,012,309.31
6. Step 6: Final answer
   x = 106,480,408,617.95