Home / 82,394,445.13-123,522,159.03-67,822,083.81

Finding the Fourth Proportional to 82,394,445.13, 123,522,159.03 and 67,822,083.81

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Solution

The fourth proportional to 82,394,445.13, 123,522,159.03 and 67,822,083.81 is: 101,675,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,394,445.13 : 123,522,159.03 = 67,822,083.81 : x
  2. Step 2: Convert to fraction form
    82,394,445.13/123,522,159.03 = 67,822,083.81/x
  3. Step 3: Cross multiply
    82,394,445.13x = 123,522,159.03 × 67,822,083.81
  4. Step 4: Simplify right side
    82,394,445.13x = 8,377,530,221,507,198
  5. Step 5: Solve for x
    x = 8,377,530,221,507,198/82,394,445.13
  6. Step 6: Final answer
    x = 101,675,910.41

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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.