Home / 129,486,773.20-194,230,159.80-88,672,104.40

Finding the Fourth Proportional to 129,486,773.20, 194,230,159.80 and 88,672,104.40

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Solution

The fourth proportional to 129,486,773.20, 194,230,159.80 and 88,672,104.40 is: 133,008,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,486,773.20 : 194,230,159.80 = 88,672,104.40 : x
  2. Step 2: Convert to fraction form
    129,486,773.20/194,230,159.80 = 88,672,104.40/x
  3. Step 3: Cross multiply
    129,486,773.20x = 194,230,159.80 × 88,672,104.40
  4. Step 4: Simplify right side
    129,486,773.20x = 17,222,797,007,414,286
  5. Step 5: Solve for x
    x = 17,222,797,007,414,286/129,486,773.20
  6. Step 6: Final answer
    x = 133,008,156.60

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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.