Home / 279,936,028.60-419,904,042.90-177,815,375.80

Finding the Fourth Proportional to 279,936,028.60, 419,904,042.90 and 177,815,375.80

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Solution

The fourth proportional to 279,936,028.60, 419,904,042.90 and 177,815,375.80 is: 266,723,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,028.60 : 419,904,042.90 = 177,815,375.80 : x
  2. Step 2: Convert to fraction form
    279,936,028.60/419,904,042.90 = 177,815,375.80/x
  3. Step 3: Cross multiply
    279,936,028.60x = 419,904,042.90 × 177,815,375.80
  4. Step 4: Simplify right side
    279,936,028.60x = 74,665,395,188,202,816
  5. Step 5: Solve for x
    x = 74,665,395,188,202,816/279,936,028.60
  6. Step 6: Final answer
    x = 266,723,063.70

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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.