Home / 131,259,494.79-181,141,755.17-72,525,944.43

Finding the Fourth Proportional to 131,259,494.79, 181,141,755.17 and 72,525,944.43

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Solution

The fourth proportional to 131,259,494.79, 181,141,755.17 and 72,525,944.43 is: 100,087,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,259,494.79 : 181,141,755.17 = 72,525,944.43 : x
  2. Step 2: Convert to fraction form
    131,259,494.79/181,141,755.17 = 72,525,944.43/x
  3. Step 3: Cross multiply
    131,259,494.79x = 181,141,755.17 × 72,525,944.43
  4. Step 4: Simplify right side
    131,259,494.79x = 13,137,476,869,049,456
  5. Step 5: Solve for x
    x = 13,137,476,869,049,456/131,259,494.79
  6. Step 6: Final answer
    x = 100,087,821.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.