Home / 123,008,581.86-169,755,385.89-68,007,981.30

Finding the Fourth Proportional to 123,008,581.86, 169,755,385.89 and 68,007,981.30

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Solution

The fourth proportional to 123,008,581.86, 169,755,385.89 and 68,007,981.30 is: 93,852,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008,581.86 : 169,755,385.89 = 68,007,981.30 : x
  2. Step 2: Convert to fraction form
    123,008,581.86/169,755,385.89 = 68,007,981.30/x
  3. Step 3: Cross multiply
    123,008,581.86x = 169,755,385.89 × 68,007,981.30
  4. Step 4: Simplify right side
    123,008,581.86x = 11,544,721,109,181,402
  5. Step 5: Solve for x
    x = 11,544,721,109,181,402/123,008,581.86
  6. Step 6: Final answer
    x = 93,852,972.98

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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.