Home / 81,951,323.40-122,933,205.90-24,439,105.80

Finding the Fourth Proportional to 81,951,323.40, 122,933,205.90 and 24,439,105.80

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Solution

The fourth proportional to 81,951,323.40, 122,933,205.90 and 24,439,105.80 is: 36,660,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,951,323.40 : 122,933,205.90 = 24,439,105.80 : x
  2. Step 2: Convert to fraction form
    81,951,323.40/122,933,205.90 = 24,439,105.80/x
  3. Step 3: Cross multiply
    81,951,323.40x = 122,933,205.90 × 24,439,105.80
  4. Step 4: Simplify right side
    81,951,323.40x = 3,004,377,625,323,284.50
  5. Step 5: Solve for x
    x = 3,004,377,625,323,284.50/81,951,323.40
  6. Step 6: Final answer
    x = 36,660,513.84

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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.