Home / 67,381,979.48-92,987,131.62-36,442,148.73

Finding the Fourth Proportional to 67,381,979.48, 92,987,131.62 and 36,442,148.73

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Solution

The fourth proportional to 67,381,979.48, 92,987,131.62 and 36,442,148.73 is: 50,290,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,381,979.48 : 92,987,131.62 = 36,442,148.73 : x
  2. Step 2: Convert to fraction form
    67,381,979.48/92,987,131.62 = 36,442,148.73/x
  3. Step 3: Cross multiply
    67,381,979.48x = 92,987,131.62 × 36,442,148.73
  4. Step 4: Simplify right side
    67,381,979.48x = 3,388,650,880,680,550
  5. Step 5: Solve for x
    x = 3,388,650,880,680,550/67,381,979.48
  6. Step 6: Final answer
    x = 50,290,165.21

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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.