Home / 252,304,057.80-378,456,086.70-68,071,177.80

Finding the Fourth Proportional to 252,304,057.80, 378,456,086.70 and 68,071,177.80

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Solution

The fourth proportional to 252,304,057.80, 378,456,086.70 and 68,071,177.80 is: 102,106,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,304,057.80 : 378,456,086.70 = 68,071,177.80 : x
  2. Step 2: Convert to fraction form
    252,304,057.80/378,456,086.70 = 68,071,177.80/x
  3. Step 3: Cross multiply
    252,304,057.80x = 378,456,086.70 × 68,071,177.80
  4. Step 4: Simplify right side
    252,304,057.80x = 25,761,951,567,247,912
  5. Step 5: Solve for x
    x = 25,761,951,567,247,912/252,304,057.80
  6. Step 6: Final answer
    x = 102,106,766.70

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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.