Home / 132,029,861.40-198,044,792.10-126,432,016.20

Finding the Fourth Proportional to 132,029,861.40, 198,044,792.10 and 126,432,016.20

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Solution

The fourth proportional to 132,029,861.40, 198,044,792.10 and 126,432,016.20 is: 189,648,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,029,861.40 : 198,044,792.10 = 126,432,016.20 : x
  2. Step 2: Convert to fraction form
    132,029,861.40/198,044,792.10 = 126,432,016.20/x
  3. Step 3: Cross multiply
    132,029,861.40x = 198,044,792.10 × 126,432,016.20
  4. Step 4: Simplify right side
    132,029,861.40x = 25,039,202,363,112,832
  5. Step 5: Solve for x
    x = 25,039,202,363,112,832/132,029,861.40
  6. Step 6: Final answer
    x = 189,648,024.30

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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.