Home / 89,162,617.66-123,057,861.76-54,375,487.62

Finding the Fourth Proportional to 89,162,617.66, 123,057,861.76 and 54,375,487.62

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Solution

The fourth proportional to 89,162,617.66, 123,057,861.76 and 54,375,487.62 is: 75,046,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,162,617.66 : 123,057,861.76 = 54,375,487.62 : x
  2. Step 2: Convert to fraction form
    89,162,617.66/123,057,861.76 = 54,375,487.62/x
  3. Step 3: Cross multiply
    89,162,617.66x = 123,057,861.76 × 54,375,487.62
  4. Step 4: Simplify right side
    89,162,617.66x = 6,691,331,238,281,844
  5. Step 5: Solve for x
    x = 6,691,331,238,281,844/89,162,617.66
  6. Step 6: Final answer
    x = 75,046,374.97

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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.