Home / 83,010,773.79-124,417,096.47-38,635,345.53

Finding the Fourth Proportional to 83,010,773.79, 124,417,096.47 and 38,635,345.53

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Solution

The fourth proportional to 83,010,773.79, 124,417,096.47 and 38,635,345.53 is: 57,906,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,010,773.79 : 124,417,096.47 = 38,635,345.53 : x
  2. Step 2: Convert to fraction form
    83,010,773.79/124,417,096.47 = 38,635,345.53/x
  3. Step 3: Cross multiply
    83,010,773.79x = 124,417,096.47 × 38,635,345.53
  4. Step 4: Simplify right side
    83,010,773.79x = 4,806,897,511,957,793
  5. Step 5: Solve for x
    x = 4,806,897,511,957,793/83,010,773.79
  6. Step 6: Final answer
    x = 57,906,911.27

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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.