Home / 278,324,049.68-417,301,797.72-132,780,074.48

Finding the Fourth Proportional to 278,324,049.68, 417,301,797.72 and 132,780,074.48

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Solution

The fourth proportional to 278,324,049.68, 417,301,797.72 and 132,780,074.48 is: 199,082,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,324,049.68 : 417,301,797.72 = 132,780,074.48 : x
  2. Step 2: Convert to fraction form
    278,324,049.68/417,301,797.72 = 132,780,074.48/x
  3. Step 3: Cross multiply
    278,324,049.68x = 417,301,797.72 × 132,780,074.48
  4. Step 4: Simplify right side
    278,324,049.68x = 55,409,363,781,899,496
  5. Step 5: Solve for x
    x = 55,409,363,781,899,496/278,324,049.68
  6. Step 6: Final answer
    x = 199,082,198.77

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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.