Home / 67,248,003.20-100,872,004.80-61,189,575.80

Finding the Fourth Proportional to 67,248,003.20, 100,872,004.80 and 61,189,575.80

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Solution

The fourth proportional to 67,248,003.20, 100,872,004.80 and 61,189,575.80 is: 91,784,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,248,003.20 : 100,872,004.80 = 61,189,575.80 : x
  2. Step 2: Convert to fraction form
    67,248,003.20/100,872,004.80 = 61,189,575.80/x
  3. Step 3: Cross multiply
    67,248,003.20x = 100,872,004.80 × 61,189,575.80
  4. Step 4: Simplify right side
    67,248,003.20x = 6,172,315,183,807,563
  5. Step 5: Solve for x
    x = 6,172,315,183,807,563/67,248,003.20
  6. Step 6: Final answer
    x = 91,784,363.70

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Similar ratio
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1.5x scale

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.