Home / 74,780,250.78-112,176,049.91-20,192,041.88

Finding the Fourth Proportional to 74,780,250.78, 112,176,049.91 and 20,192,041.88

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Solution

The fourth proportional to 74,780,250.78, 112,176,049.91 and 20,192,041.88 is: 30,289,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,780,250.78 : 112,176,049.91 = 20,192,041.88 : x
  2. Step 2: Convert to fraction form
    74,780,250.78/112,176,049.91 = 20,192,041.88/x
  3. Step 3: Cross multiply
    74,780,250.78x = 112,176,049.91 × 20,192,041.88
  4. Step 4: Simplify right side
    74,780,250.78x = 2,265,063,497,053,850
  5. Step 5: Solve for x
    x = 2,265,063,497,053,850/74,780,250.78
  6. Step 6: Final answer
    x = 30,289,594.83

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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.