Home / 331,998,983.31-498,170,821.53-135,406,624.80

Finding the Fourth Proportional to 331,998,983.31, 498,170,821.53 and 135,406,624.80

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Solution

The fourth proportional to 331,998,983.31, 498,170,821.53 and 135,406,624.80 is: 203,180,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,998,983.31 : 498,170,821.53 = 135,406,624.80 : x
  2. Step 2: Convert to fraction form
    331,998,983.31/498,170,821.53 = 135,406,624.80/x
  3. Step 3: Cross multiply
    331,998,983.31x = 498,170,821.53 × 135,406,624.80
  4. Step 4: Simplify right side
    331,998,983.31x = 67,455,629,517,220,472
  5. Step 5: Solve for x
    x = 67,455,629,517,220,472/331,998,983.31
  6. Step 6: Final answer
    x = 203,180,229.18

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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.