Finding the Fourth Proportional to 84,960,649,675.05, 127,196,086,499.78 and 84,960,649,675.05

Step by Step Solution

1. Step 1: Write the proportion equation
   84,960,649,675.05 : 127,196,086,499.78 = 84,960,649,675.05 : x
2. Step 2: Convert to fraction form
   84,960,649,675.05/127,196,086,499.78 = 84,960,649,675.05/x
3. Step 3: Cross multiply
   84,960,649,675.05x = 127,196,086,499.78 × 84,960,649,675.05
4. Step 4: Simplify right side
   84,960,649,675.05x = 10,806,662,145,145,166,626,816
5. Step 5: Solve for x
   x = 10,806,662,145,145,166,626,816/84,960,649,675.05
6. Step 6: Final answer
   x = 127,196,086,499.78