Home / 107,840,734.60-161,761,101.90-82,331,566.60

Finding the Fourth Proportional to 107,840,734.60, 161,761,101.90 and 82,331,566.60

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Solution

The fourth proportional to 107,840,734.60, 161,761,101.90 and 82,331,566.60 is: 123,497,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,840,734.60 : 161,761,101.90 = 82,331,566.60 : x
  2. Step 2: Convert to fraction form
    107,840,734.60/161,761,101.90 = 82,331,566.60/x
  3. Step 3: Cross multiply
    107,840,734.60x = 161,761,101.90 × 82,331,566.60
  4. Step 4: Simplify right side
    107,840,734.60x = 13,318,044,934,369,236
  5. Step 5: Solve for x
    x = 13,318,044,934,369,236/107,840,734.60
  6. Step 6: Final answer
    x = 123,497,349.90

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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.