Home / 312,665,791.53-469,002,678.57-82,632,888.75

Finding the Fourth Proportional to 312,665,791.53, 469,002,678.57 and 82,632,888.75

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Solution

The fourth proportional to 312,665,791.53, 469,002,678.57 and 82,632,888.75 is: 123,950,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,665,791.53 : 469,002,678.57 = 82,632,888.75 : x
  2. Step 2: Convert to fraction form
    312,665,791.53/469,002,678.57 = 82,632,888.75/x
  3. Step 3: Cross multiply
    312,665,791.53x = 469,002,678.57 × 82,632,888.75
  4. Step 4: Simplify right side
    312,665,791.53x = 38,755,046,161,726,816
  5. Step 5: Solve for x
    x = 38,755,046,161,726,816/312,665,791.53
  6. Step 6: Final answer
    x = 123,950,387.96

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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.