Home / 119,909,517.12-165,406,061.07-72,191,551.23

Finding the Fourth Proportional to 119,909,517.12, 165,406,061.07 and 72,191,551.23

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Solution

The fourth proportional to 119,909,517.12, 165,406,061.07 and 72,191,551.23 is: 99,582,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,909,517.12 : 165,406,061.07 = 72,191,551.23 : x
  2. Step 2: Convert to fraction form
    119,909,517.12/165,406,061.07 = 72,191,551.23/x
  3. Step 3: Cross multiply
    119,909,517.12x = 165,406,061.07 × 72,191,551.23
  4. Step 4: Simplify right side
    119,909,517.12x = 11,940,920,131,487,414
  5. Step 5: Solve for x
    x = 11,940,920,131,487,414/119,909,517.12
  6. Step 6: Final answer
    x = 99,582,755.55

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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.