Home / 279,753,996.60-419,463,033.30-143,705,100.60

Finding the Fourth Proportional to 279,753,996.60, 419,463,033.30 and 143,705,100.60

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Solution

The fourth proportional to 279,753,996.60, 419,463,033.30 and 143,705,100.60 is: 215,471,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,753,996.60 : 419,463,033.30 = 143,705,100.60 : x
  2. Step 2: Convert to fraction form
    279,753,996.60/419,463,033.30 = 143,705,100.60/x
  3. Step 3: Cross multiply
    279,753,996.60x = 419,463,033.30 × 143,705,100.60
  4. Step 4: Simplify right side
    279,753,996.60x = 60,278,977,398,357,648
  5. Step 5: Solve for x
    x = 60,278,977,398,357,648/279,753,996.60
  6. Step 6: Final answer
    x = 215,471,371.74

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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.