Home / 87,414,521.60-131,221,315.20-51,532,947.20

Finding the Fourth Proportional to 87,414,521.60, 131,221,315.20 and 51,532,947.20

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Solution

The fourth proportional to 87,414,521.60, 131,221,315.20 and 51,532,947.20 is: 77,358,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,414,521.60 : 131,221,315.20 = 51,532,947.20 : x
  2. Step 2: Convert to fraction form
    87,414,521.60/131,221,315.20 = 51,532,947.20/x
  3. Step 3: Cross multiply
    87,414,521.60x = 131,221,315.20 × 51,532,947.20
  4. Step 4: Simplify right side
    87,414,521.60x = 6,762,221,107,716,158
  5. Step 5: Solve for x
    x = 6,762,221,107,716,158/87,414,521.60
  6. Step 6: Final answer
    x = 77,358,097.76

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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.