Home / 132,029,847.40-198,044,771.10-126,432,002.20

Finding the Fourth Proportional to 132,029,847.40, 198,044,771.10 and 126,432,002.20

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Solution

The fourth proportional to 132,029,847.40, 198,044,771.10 and 126,432,002.20 is: 189,648,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,029,847.40 : 198,044,771.10 = 126,432,002.20 : x
  2. Step 2: Convert to fraction form
    132,029,847.40/198,044,771.10 = 126,432,002.20/x
  3. Step 3: Cross multiply
    132,029,847.40x = 198,044,771.10 × 126,432,002.20
  4. Step 4: Simplify right side
    132,029,847.40x = 25,039,196,935,413,696
  5. Step 5: Solve for x
    x = 25,039,196,935,413,696/132,029,847.40
  6. Step 6: Final answer
    x = 189,648,003.30

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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.