Home / 72,278,554.26-108,419,229.45-17,691,607.74

Finding the Fourth Proportional to 72,278,554.26, 108,419,229.45 and 17,691,607.74

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Solution

The fourth proportional to 72,278,554.26, 108,419,229.45 and 17,691,607.74 is: 26,537,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,278,554.26 : 108,419,229.45 = 17,691,607.74 : x
  2. Step 2: Convert to fraction form
    72,278,554.26/108,419,229.45 = 17,691,607.74/x
  3. Step 3: Cross multiply
    72,278,554.26x = 108,419,229.45 × 17,691,607.74
  4. Step 4: Simplify right side
    72,278,554.26x = 1,918,110,478,902,455.75
  5. Step 5: Solve for x
    x = 1,918,110,478,902,455.75/72,278,554.26
  6. Step 6: Final answer
    x = 26,537,753.81

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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.