Home / 57,310,031.20-85,965,046.80-52,019,240.80

Finding the Fourth Proportional to 57,310,031.20, 85,965,046.80 and 52,019,240.80

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Solution

The fourth proportional to 57,310,031.20, 85,965,046.80 and 52,019,240.80 is: 78,028,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,310,031.20 : 85,965,046.80 = 52,019,240.80 : x
  2. Step 2: Convert to fraction form
    57,310,031.20/85,965,046.80 = 52,019,240.80/x
  3. Step 3: Cross multiply
    57,310,031.20x = 85,965,046.80 × 52,019,240.80
  4. Step 4: Simplify right side
    57,310,031.20x = 4,471,836,469,872,469
  5. Step 5: Solve for x
    x = 4,471,836,469,872,469/57,310,031.20
  6. Step 6: Final answer
    x = 78,028,861.20

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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.