Home / 87,552,709.20-131,329,063.80-51,273,003.60

Finding the Fourth Proportional to 87,552,709.20, 131,329,063.80 and 51,273,003.60

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Solution

The fourth proportional to 87,552,709.20, 131,329,063.80 and 51,273,003.60 is: 76,909,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,709.20 : 131,329,063.80 = 51,273,003.60 : x
  2. Step 2: Convert to fraction form
    87,552,709.20/131,329,063.80 = 51,273,003.60/x
  3. Step 3: Cross multiply
    87,552,709.20x = 131,329,063.80 × 51,273,003.60
  4. Step 4: Simplify right side
    87,552,709.20x = 6,733,635,561,002,030
  5. Step 5: Solve for x
    x = 6,733,635,561,002,030/87,552,709.20
  6. Step 6: Final answer
    x = 76,909,505.40

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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.