Home / 198,635,705.20-297,950,080.20-89,383,553.20

Finding the Fourth Proportional to 198,635,705.20, 297,950,080.20 and 89,383,553.20

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Solution

The fourth proportional to 198,635,705.20, 297,950,080.20 and 89,383,553.20 is: 134,073,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,635,705.20 : 297,950,080.20 = 89,383,553.20 : x
  2. Step 2: Convert to fraction form
    198,635,705.20/297,950,080.20 = 89,383,553.20/x
  3. Step 3: Cross multiply
    198,635,705.20x = 297,950,080.20 × 89,383,553.20
  4. Step 4: Simplify right side
    198,635,705.20x = 26,631,836,844,500,968
  5. Step 5: Solve for x
    x = 26,631,836,844,500,968/198,635,705.20
  6. Step 6: Final answer
    x = 134,073,764.92

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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.