Home / 220,490,964.96-330,736,447.33-82,327,361.92

Finding the Fourth Proportional to 220,490,964.96, 330,736,447.33 and 82,327,361.92

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Solution

The fourth proportional to 220,490,964.96, 330,736,447.33 and 82,327,361.92 is: 123,491,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,490,964.96 : 330,736,447.33 = 82,327,361.92 : x
  2. Step 2: Convert to fraction form
    220,490,964.96/330,736,447.33 = 82,327,361.92/x
  3. Step 3: Cross multiply
    220,490,964.96x = 330,736,447.33 × 82,327,361.92
  4. Step 4: Simplify right side
    220,490,964.96x = 27,228,659,198,439,268
  5. Step 5: Solve for x
    x = 27,228,659,198,439,268/220,490,964.96
  6. Step 6: Final answer
    x = 123,491,042.83

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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.