Home / 67,381,981.88-92,987,134.92-36,442,151.12

Finding the Fourth Proportional to 67,381,981.88, 92,987,134.92 and 36,442,151.12

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Solution

The fourth proportional to 67,381,981.88, 92,987,134.92 and 36,442,151.12 is: 50,290,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,381,981.88 : 92,987,134.92 = 36,442,151.12 : x
  2. Step 2: Convert to fraction form
    67,381,981.88/92,987,134.92 = 36,442,151.12/x
  3. Step 3: Cross multiply
    67,381,981.88x = 92,987,134.92 × 36,442,151.12
  4. Step 4: Simplify right side
    67,381,981.88x = 3,388,651,223,202,937
  5. Step 5: Solve for x
    x = 3,388,651,223,202,937/67,381,981.88
  6. Step 6: Final answer
    x = 50,290,168.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.