Home / 132,029,805.40-198,044,708.10-126,431,960.20

Finding the Fourth Proportional to 132,029,805.40, 198,044,708.10 and 126,431,960.20

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Solution

The fourth proportional to 132,029,805.40, 198,044,708.10 and 126,431,960.20 is: 189,647,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,029,805.40 : 198,044,708.10 = 126,431,960.20 : x
  2. Step 2: Convert to fraction form
    132,029,805.40/198,044,708.10 = 126,431,960.20/x
  3. Step 3: Cross multiply
    132,029,805.40x = 198,044,708.10 × 126,431,960.20
  4. Step 4: Simplify right side
    132,029,805.40x = 25,039,180,652,319,816
  5. Step 5: Solve for x
    x = 25,039,180,652,319,816/132,029,805.40
  6. Step 6: Final answer
    x = 189,647,940.30

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1.5x scale

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.