Home / 89,162,649.68-123,057,906-54,375,519.68

Finding the Fourth Proportional to 89,162,649.68, 123,057,906 and 54,375,519.68

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Solution

The fourth proportional to 89,162,649.68, 123,057,906 and 54,375,519.68 is: 75,046,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,162,649.68 : 123,057,906 = 54,375,519.68 : x
  2. Step 2: Convert to fraction form
    89,162,649.68/123,057,906 = 54,375,519.68/x
  3. Step 3: Cross multiply
    89,162,649.68x = 123,057,906 × 54,375,519.68
  4. Step 4: Simplify right side
    89,162,649.68x = 6,691,337,589,482,590
  5. Step 5: Solve for x
    x = 6,691,337,589,482,590/89,162,649.68
  6. Step 6: Final answer
    x = 75,046,419.25

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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.