Home / 198,428,120.48-297,622,934.41-60,254,922.88

Finding the Fourth Proportional to 198,428,120.48, 297,622,934.41 and 60,254,922.88

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Solution

The fourth proportional to 198,428,120.48, 297,622,934.41 and 60,254,922.88 is: 90,376,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,428,120.48 : 297,622,934.41 = 60,254,922.88 : x
  2. Step 2: Convert to fraction form
    198,428,120.48/297,622,934.41 = 60,254,922.88/x
  3. Step 3: Cross multiply
    198,428,120.48x = 297,622,934.41 × 60,254,922.88
  4. Step 4: Simplify right side
    198,428,120.48x = 17,933,246,958,705,736
  5. Step 5: Solve for x
    x = 17,933,246,958,705,736/198,428,120.48
  6. Step 6: Final answer
    x = 90,376,539.96

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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.