Home / 266,119,687.40-399,179,531.10-151,059,770.60

Finding the Fourth Proportional to 266,119,687.40, 399,179,531.10 and 151,059,770.60

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Solution

The fourth proportional to 266,119,687.40, 399,179,531.10 and 151,059,770.60 is: 226,589,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,119,687.40 : 399,179,531.10 = 151,059,770.60 : x
  2. Step 2: Convert to fraction form
    266,119,687.40/399,179,531.10 = 151,059,770.60/x
  3. Step 3: Cross multiply
    266,119,687.40x = 399,179,531.10 × 151,059,770.60
  4. Step 4: Simplify right side
    266,119,687.40x = 60,299,968,396,181,568
  5. Step 5: Solve for x
    x = 60,299,968,396,181,568/266,119,687.40
  6. Step 6: Final answer
    x = 226,589,655.90

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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.