Home / 327,890,919.20-492,025,335.60-123,565,632.80

Finding the Fourth Proportional to 327,890,919.20, 492,025,335.60 and 123,565,632.80

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Solution

The fourth proportional to 327,890,919.20, 492,025,335.60 and 123,565,632.80 is: 185,419,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,890,919.20 : 492,025,335.60 = 123,565,632.80 : x
  2. Step 2: Convert to fraction form
    327,890,919.20/492,025,335.60 = 123,565,632.80/x
  3. Step 3: Cross multiply
    327,890,919.20x = 492,025,335.60 × 123,565,632.80
  4. Step 4: Simplify right side
    327,890,919.20x = 60,797,421,947,046,368
  5. Step 5: Solve for x
    x = 60,797,421,947,046,368/327,890,919.20
  6. Step 6: Final answer
    x = 185,419,657.54

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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.