Home / 72,278,557.26-108,419,233.95-17,691,610.74

Finding the Fourth Proportional to 72,278,557.26, 108,419,233.95 and 17,691,610.74

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Solution

The fourth proportional to 72,278,557.26, 108,419,233.95 and 17,691,610.74 is: 26,537,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,278,557.26 : 108,419,233.95 = 17,691,610.74 : x
  2. Step 2: Convert to fraction form
    72,278,557.26/108,419,233.95 = 17,691,610.74/x
  3. Step 3: Cross multiply
    72,278,557.26x = 108,419,233.95 × 17,691,610.74
  4. Step 4: Simplify right side
    72,278,557.26x = 1,918,110,883,772,392.50
  5. Step 5: Solve for x
    x = 1,918,110,883,772,392.50/72,278,557.26
  6. Step 6: Final answer
    x = 26,537,758.31

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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.