Home / 89,162,131.56-123,057,191.01-54,375,000.40

Finding the Fourth Proportional to 89,162,131.56, 123,057,191.01 and 54,375,000.40

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Solution

The fourth proportional to 89,162,131.56, 123,057,191.01 and 54,375,000.40 is: 75,045,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,162,131.56 : 123,057,191.01 = 54,375,000.40 : x
  2. Step 2: Convert to fraction form
    89,162,131.56/123,057,191.01 = 54,375,000.40/x
  3. Step 3: Cross multiply
    89,162,131.56x = 123,057,191.01 × 54,375,000.40
  4. Step 4: Simplify right side
    89,162,131.56x = 6,691,234,810,391,627
  5. Step 5: Solve for x
    x = 6,691,234,810,391,627/89,162,131.56
  6. Step 6: Final answer
    x = 75,045,702.62

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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.