Home / 198,597,153.45-274,066,581.68-109,299,375.78

Finding the Fourth Proportional to 198,597,153.45, 274,066,581.68 and 109,299,375.78

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Solution

The fourth proportional to 198,597,153.45, 274,066,581.68 and 109,299,375.78 is: 150,834,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,597,153.45 : 274,066,581.68 = 109,299,375.78 : x
  2. Step 2: Convert to fraction form
    198,597,153.45/274,066,581.68 = 109,299,375.78/x
  3. Step 3: Cross multiply
    198,597,153.45x = 274,066,581.68 × 109,299,375.78
  4. Step 4: Simplify right side
    198,597,153.45x = 29,955,306,298,618,008
  5. Step 5: Solve for x
    x = 29,955,306,298,618,008/198,597,153.45
  6. Step 6: Final answer
    x = 150,834,519.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.