Home / 120,198,919,634.22-180,304,177,726.38-39,522,836,848.53

Finding the Fourth Proportional to 120,198,919,634.22, 180,304,177,726.38 and 39,522,836,848.53

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Solution

The fourth proportional to 120,198,919,634.22, 180,304,177,726.38 and 39,522,836,848.53 is: 59,286,161,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,198,919,634.22 : 180,304,177,726.38 = 39,522,836,848.53 : x
  2. Step 2: Convert to fraction form
    120,198,919,634.22/180,304,177,726.38 = 39,522,836,848.53/x
  3. Step 3: Cross multiply
    120,198,919,634.22x = 180,304,177,726.38 × 39,522,836,848.53
  4. Step 4: Simplify right side
    120,198,919,634.22x = 7,126,132,599,388,073,099,264
  5. Step 5: Solve for x
    x = 7,126,132,599,388,073,099,264/120,198,919,634.22
  6. Step 6: Final answer
    x = 59,286,161,814.71

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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.