Home / 327,891,149.20-492,025,680.60-123,565,862.80

Finding the Fourth Proportional to 327,891,149.20, 492,025,680.60 and 123,565,862.80

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Solution

The fourth proportional to 327,891,149.20, 492,025,680.60 and 123,565,862.80 is: 185,420,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,891,149.20 : 492,025,680.60 = 123,565,862.80 : x
  2. Step 2: Convert to fraction form
    327,891,149.20/492,025,680.60 = 123,565,862.80/x
  3. Step 3: Cross multiply
    327,891,149.20x = 492,025,680.60 × 123,565,862.80
  4. Step 4: Simplify right side
    327,891,149.20x = 60,797,577,743,096,224
  5. Step 5: Solve for x
    x = 60,797,577,743,096,224/327,891,149.20
  6. Step 6: Final answer
    x = 185,420,002.62

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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.