Home / 231,539,172.57-319,524,614.33-127,123,972.83

Finding the Fourth Proportional to 231,539,172.57, 319,524,614.33 and 127,123,972.83

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Solution

The fourth proportional to 231,539,172.57, 319,524,614.33 and 127,123,972.83 is: 175,431,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,539,172.57 : 319,524,614.33 = 127,123,972.83 : x
  2. Step 2: Convert to fraction form
    231,539,172.57/319,524,614.33 = 127,123,972.83/x
  3. Step 3: Cross multiply
    231,539,172.57x = 319,524,614.33 × 127,123,972.83
  4. Step 4: Simplify right side
    231,539,172.57x = 40,619,238,389,967,528
  5. Step 5: Solve for x
    x = 40,619,238,389,967,528/231,539,172.57
  6. Step 6: Final answer
    x = 175,431,387.87

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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.