Finding the Fourth Proportional to 139,056,139.90, 195,081,703.70 and 139,056,139.90

Step by Step Solution

1. Step 1: Write the proportion equation
   139,056,139.90 : 195,081,703.70 = 139,056,139.90 : x
2. Step 2: Convert to fraction form
   139,056,139.90/195,081,703.70 = 139,056,139.90/x
3. Step 3: Cross multiply
   139,056,139.90x = 195,081,703.70 × 139,056,139.90
4. Step 4: Simplify right side
   139,056,139.90x = 27,127,308,681,637,548
5. Step 5: Solve for x
   x = 27,127,308,681,637,548/139,056,139.90
6. Step 6: Final answer
   x = 195,081,703.70