Home / 80,825,890.35-121,315,484.78-50,027,306.69

Finding the Fourth Proportional to 80,825,890.35, 121,315,484.78 and 50,027,306.69

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Solution

The fourth proportional to 80,825,890.35, 121,315,484.78 and 50,027,306.69 is: 75,088,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825,890.35 : 121,315,484.78 = 50,027,306.69 : x
  2. Step 2: Convert to fraction form
    80,825,890.35/121,315,484.78 = 50,027,306.69/x
  3. Step 3: Cross multiply
    80,825,890.35x = 121,315,484.78 × 50,027,306.69
  4. Step 4: Simplify right side
    80,825,890.35x = 6,069,086,962,478,374
  5. Step 5: Solve for x
    x = 6,069,086,962,478,374/80,825,890.35
  6. Step 6: Final answer
    x = 75,088,402.20

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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.