Finding the Fourth Proportional to 151,640,994,040.40, 209,271,149,852.76 and 83,975,584,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,640,994,040.40 : 209,271,149,852.76 = 83,975,584,258.50 : x
2. Step 2: Convert to fraction form
   151,640,994,040.40/209,271,149,852.76 = 83,975,584,258.50/x
3. Step 3: Cross multiply
   151,640,994,040.40x = 209,271,149,852.76 × 83,975,584,258.50
4. Step 4: Simplify right side
   151,640,994,040.40x = 17,573,667,077,333,629,009,920
5. Step 5: Solve for x
   x = 17,573,667,077,333,629,009,920/151,640,994,040.40
6. Step 6: Final answer
   x = 115,889,949,077.04