Home / 71,863,143.30-107,755,348.95-35,391,331.62

Finding the Fourth Proportional to 71,863,143.30, 107,755,348.95 and 35,391,331.62

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Solution

The fourth proportional to 71,863,143.30, 107,755,348.95 and 35,391,331.62 is: 53,067,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,863,143.30 : 107,755,348.95 = 35,391,331.62 : x
  2. Step 2: Convert to fraction form
    71,863,143.30/107,755,348.95 = 35,391,331.62/x
  3. Step 3: Cross multiply
    71,863,143.30x = 107,755,348.95 × 35,391,331.62
  4. Step 4: Simplify right side
    71,863,143.30x = 3,813,605,288,518,268.50
  5. Step 5: Solve for x
    x = 3,813,605,288,518,268.50/71,863,143.30
  6. Step 6: Final answer
    x = 53,067,610.37

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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.