Home / 81,951,318.40-122,933,198.40-24,439,100.80

Finding the Fourth Proportional to 81,951,318.40, 122,933,198.40 and 24,439,100.80

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Solution

The fourth proportional to 81,951,318.40, 122,933,198.40 and 24,439,100.80 is: 36,660,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,951,318.40 : 122,933,198.40 = 24,439,100.80 : x
  2. Step 2: Convert to fraction form
    81,951,318.40/122,933,198.40 = 24,439,100.80/x
  3. Step 3: Cross multiply
    81,951,318.40x = 122,933,198.40 × 24,439,100.80
  4. Step 4: Simplify right side
    81,951,318.40x = 3,004,376,827,363,999
  5. Step 5: Solve for x
    x = 3,004,376,827,363,999/81,951,318.40
  6. Step 6: Final answer
    x = 36,660,506.33

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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.