Home / 80,088,425.28-120,132,636-36,944,863.92

Finding the Fourth Proportional to 80,088,425.28, 120,132,636 and 36,944,863.92

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Solution

The fourth proportional to 80,088,425.28, 120,132,636 and 36,944,863.92 is: 55,417,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,088,425.28 : 120,132,636 = 36,944,863.92 : x
  2. Step 2: Convert to fraction form
    80,088,425.28/120,132,636 = 36,944,863.92/x
  3. Step 3: Cross multiply
    80,088,425.28x = 120,132,636 × 36,944,863.92
  4. Step 4: Simplify right side
    80,088,425.28x = 4,438,283,889,370,893.50
  5. Step 5: Solve for x
    x = 4,438,283,889,370,893.50/80,088,425.28
  6. Step 6: Final answer
    x = 55,417,294.99

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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.