Home / 48,387,704.80-72,689,691.60-40,425,080.80

Finding the Fourth Proportional to 48,387,704.80, 72,689,691.60 and 40,425,080.80

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Solution

The fourth proportional to 48,387,704.80, 72,689,691.60 and 40,425,080.80 is: 60,727,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,704.80 : 72,689,691.60 = 40,425,080.80 : x
  2. Step 2: Convert to fraction form
    48,387,704.80/72,689,691.60 = 40,425,080.80/x
  3. Step 3: Cross multiply
    48,387,704.80x = 72,689,691.60 × 40,425,080.80
  4. Step 4: Simplify right side
    48,387,704.80x = 2,938,486,656,257,081
  5. Step 5: Solve for x
    x = 2,938,486,656,257,081/48,387,704.80
  6. Step 6: Final answer
    x = 60,727,961.13

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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.