Home / 75,451,816.20-113,177,724.30-72,582,034.80

Finding the Fourth Proportional to 75,451,816.20, 113,177,724.30 and 72,582,034.80

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Solution

The fourth proportional to 75,451,816.20, 113,177,724.30 and 72,582,034.80 is: 108,873,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,451,816.20 : 113,177,724.30 = 72,582,034.80 : x
  2. Step 2: Convert to fraction form
    75,451,816.20/113,177,724.30 = 72,582,034.80/x
  3. Step 3: Cross multiply
    75,451,816.20x = 113,177,724.30 × 72,582,034.80
  4. Step 4: Simplify right side
    75,451,816.20x = 8,214,669,523,727,405
  5. Step 5: Solve for x
    x = 8,214,669,523,727,405/75,451,816.20
  6. Step 6: Final answer
    x = 108,873,052.20

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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.