Home / 120,198,919,634.74-180,304,177,727.17-39,522,836,849.04

Finding the Fourth Proportional to 120,198,919,634.74, 180,304,177,727.17 and 39,522,836,849.04

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Solution

The fourth proportional to 120,198,919,634.74, 180,304,177,727.17 and 39,522,836,849.04 is: 59,286,161,815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,198,919,634.74 : 180,304,177,727.17 = 39,522,836,849.04 : x
  2. Step 2: Convert to fraction form
    120,198,919,634.74/180,304,177,727.17 = 39,522,836,849.04/x
  3. Step 3: Cross multiply
    120,198,919,634.74x = 180,304,177,727.17 × 39,522,836,849.04
  4. Step 4: Simplify right side
    120,198,919,634.74x = 7,126,132,599,511,252,467,712
  5. Step 5: Solve for x
    x = 7,126,132,599,511,252,467,712/120,198,919,634.74
  6. Step 6: Final answer
    x = 59,286,161,815.48

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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.