Home / 225,981,003.40-338,971,505.10-74,691,147.40

Finding the Fourth Proportional to 225,981,003.40, 338,971,505.10 and 74,691,147.40

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Solution

The fourth proportional to 225,981,003.40, 338,971,505.10 and 74,691,147.40 is: 112,036,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,981,003.40 : 338,971,505.10 = 74,691,147.40 : x
  2. Step 2: Convert to fraction form
    225,981,003.40/338,971,505.10 = 74,691,147.40/x
  3. Step 3: Cross multiply
    225,981,003.40x = 338,971,505.10 × 74,691,147.40
  4. Step 4: Simplify right side
    225,981,003.40x = 25,318,170,651,823,956
  5. Step 5: Solve for x
    x = 25,318,170,651,823,956/225,981,003.40
  6. Step 6: Final answer
    x = 112,036,721.10

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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.