Home / 83,406,474.30-125,109,711.45-68,951,279.10

Finding the Fourth Proportional to 83,406,474.30, 125,109,711.45 and 68,951,279.10

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Solution

The fourth proportional to 83,406,474.30, 125,109,711.45 and 68,951,279.10 is: 103,426,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,406,474.30 : 125,109,711.45 = 68,951,279.10 : x
  2. Step 2: Convert to fraction form
    83,406,474.30/125,109,711.45 = 68,951,279.10/x
  3. Step 3: Cross multiply
    83,406,474.30x = 125,109,711.45 × 68,951,279.10
  4. Step 4: Simplify right side
    83,406,474.30x = 8,626,474,632,309,415
  5. Step 5: Solve for x
    x = 8,626,474,632,309,415/83,406,474.30
  6. Step 6: Final answer
    x = 103,426,918.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.