Home / 146,769,747.20-220,154,620.80-137,699,820.80

Finding the Fourth Proportional to 146,769,747.20, 220,154,620.80 and 137,699,820.80

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Solution

The fourth proportional to 146,769,747.20, 220,154,620.80 and 137,699,820.80 is: 206,549,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,769,747.20 : 220,154,620.80 = 137,699,820.80 : x
  2. Step 2: Convert to fraction form
    146,769,747.20/220,154,620.80 = 137,699,820.80/x
  3. Step 3: Cross multiply
    146,769,747.20x = 220,154,620.80 × 137,699,820.80
  4. Step 4: Simplify right side
    146,769,747.20x = 30,315,251,832,451,956
  5. Step 5: Solve for x
    x = 30,315,251,832,451,956/146,769,747.20
  6. Step 6: Final answer
    x = 206,549,731.20

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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.