Home / 80,805,119.60-121,260,711.72-29,687,561.84

Finding the Fourth Proportional to 80,805,119.60, 121,260,711.72 and 29,687,561.84

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Solution

The fourth proportional to 80,805,119.60, 121,260,711.72 and 29,687,561.84 is: 44,550,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,805,119.60 : 121,260,711.72 = 29,687,561.84 : x
  2. Step 2: Convert to fraction form
    80,805,119.60/121,260,711.72 = 29,687,561.84/x
  3. Step 3: Cross multiply
    80,805,119.60x = 121,260,711.72 × 29,687,561.84
  4. Step 4: Simplify right side
    80,805,119.60x = 3,599,934,877,949,912.50
  5. Step 5: Solve for x
    x = 3,599,934,877,949,912.50/80,805,119.60
  6. Step 6: Final answer
    x = 44,550,826.68

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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.