Home / 82,394,445.38-123,522,159.40-67,822,084.05

Finding the Fourth Proportional to 82,394,445.38, 123,522,159.40 and 67,822,084.05

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Solution

The fourth proportional to 82,394,445.38, 123,522,159.40 and 67,822,084.05 is: 101,675,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,394,445.38 : 123,522,159.40 = 67,822,084.05 : x
  2. Step 2: Convert to fraction form
    82,394,445.38/123,522,159.40 = 67,822,084.05/x
  3. Step 3: Cross multiply
    82,394,445.38x = 123,522,159.40 × 67,822,084.05
  4. Step 4: Simplify right side
    82,394,445.38x = 8,377,530,276,864,298
  5. Step 5: Solve for x
    x = 8,377,530,276,864,298/82,394,445.38
  6. Step 6: Final answer
    x = 101,675,910.78

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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.