Home / 77,251,753.29-115,872,938.01-27,399,044.55

Finding the Fourth Proportional to 77,251,753.29, 115,872,938.01 and 27,399,044.55

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Solution

The fourth proportional to 77,251,753.29, 115,872,938.01 and 27,399,044.55 is: 41,096,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,251,753.29 : 115,872,938.01 = 27,399,044.55 : x
  2. Step 2: Convert to fraction form
    77,251,753.29/115,872,938.01 = 27,399,044.55/x
  3. Step 3: Cross multiply
    77,251,753.29x = 115,872,938.01 × 27,399,044.55
  4. Step 4: Simplify right side
    77,251,753.29x = 3,174,807,790,675,378.50
  5. Step 5: Solve for x
    x = 3,174,807,790,675,378.50/77,251,753.29
  6. Step 6: Final answer
    x = 41,096,902.73

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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.