Home / 67,976,720.52-101,964,988.17-31,565,200.20

Finding the Fourth Proportional to 67,976,720.52, 101,964,988.17 and 31,565,200.20

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Solution

The fourth proportional to 67,976,720.52, 101,964,988.17 and 31,565,200.20 is: 47,347,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,976,720.52 : 101,964,988.17 = 31,565,200.20 : x
  2. Step 2: Convert to fraction form
    67,976,720.52/101,964,988.17 = 31,565,200.20/x
  3. Step 3: Cross multiply
    67,976,720.52x = 101,964,988.17 × 31,565,200.20
  4. Step 4: Simplify right side
    67,976,720.52x = 3,218,545,264,976,681.50
  5. Step 5: Solve for x
    x = 3,218,545,264,976,681.50/67,976,720.52
  6. Step 6: Final answer
    x = 47,347,757.30

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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.