Home / 89,709,234.62-123,798,791.22-48,456,126.92

Finding the Fourth Proportional to 89,709,234.62, 123,798,791.22 and 48,456,126.92

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Solution

The fourth proportional to 89,709,234.62, 123,798,791.22 and 48,456,126.92 is: 66,869,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,709,234.62 : 123,798,791.22 = 48,456,126.92 : x
  2. Step 2: Convert to fraction form
    89,709,234.62/123,798,791.22 = 48,456,126.92/x
  3. Step 3: Cross multiply
    89,709,234.62x = 123,798,791.22 × 48,456,126.92
  4. Step 4: Simplify right side
    89,709,234.62x = 5,998,809,939,898,902
  5. Step 5: Solve for x
    x = 5,998,809,939,898,902/89,709,234.62
  6. Step 6: Final answer
    x = 66,869,480.78

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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.