Home / 87,979,247.30-132,031,856.55-49,600,021.70

Finding the Fourth Proportional to 87,979,247.30, 132,031,856.55 and 49,600,021.70

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Solution

The fourth proportional to 87,979,247.30, 132,031,856.55 and 49,600,021.70 is: 74,435,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,979,247.30 : 132,031,856.55 = 49,600,021.70 : x
  2. Step 2: Convert to fraction form
    87,979,247.30/132,031,856.55 = 49,600,021.70/x
  3. Step 3: Cross multiply
    87,979,247.30x = 132,031,856.55 × 49,600,021.70
  4. Step 4: Simplify right side
    87,979,247.30x = 6,548,782,949,971,287
  5. Step 5: Solve for x
    x = 6,548,782,949,971,287/87,979,247.30
  6. Step 6: Final answer
    x = 74,435,541.91

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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.