Home / 300,691,147.55-451,036,721.33-147,636,139.55

Finding the Fourth Proportional to 300,691,147.55, 451,036,721.33 and 147,636,139.55

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Solution

The fourth proportional to 300,691,147.55, 451,036,721.33 and 147,636,139.55 is: 221,454,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,691,147.55 : 451,036,721.33 = 147,636,139.55 : x
  2. Step 2: Convert to fraction form
    300,691,147.55/451,036,721.33 = 147,636,139.55/x
  3. Step 3: Cross multiply
    300,691,147.55x = 451,036,721.33 × 147,636,139.55
  4. Step 4: Simplify right side
    300,691,147.55x = 66,589,320,332,450,344
  5. Step 5: Solve for x
    x = 66,589,320,332,450,344/300,691,147.55
  6. Step 6: Final answer
    x = 221,454,209.33

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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.