Home / 80,219,770.20-110,701,078.38-45,412,178.04

Finding the Fourth Proportional to 80,219,770.20, 110,701,078.38 and 45,412,178.04

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Solution

The fourth proportional to 80,219,770.20, 110,701,078.38 and 45,412,178.04 is: 62,667,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,219,770.20 : 110,701,078.38 = 45,412,178.04 : x
  2. Step 2: Convert to fraction form
    80,219,770.20/110,701,078.38 = 45,412,178.04/x
  3. Step 3: Cross multiply
    80,219,770.20x = 110,701,078.38 × 45,412,178.04
  4. Step 4: Simplify right side
    80,219,770.20x = 5,027,177,080,612,554
  5. Step 5: Solve for x
    x = 5,027,177,080,612,554/80,219,770.20
  6. Step 6: Final answer
    x = 62,667,557.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.