Home / 132,144,042.60-198,216,063.90-86,227,540.20

Finding the Fourth Proportional to 132,144,042.60, 198,216,063.90 and 86,227,540.20

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Solution

The fourth proportional to 132,144,042.60, 198,216,063.90 and 86,227,540.20 is: 129,341,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,144,042.60 : 198,216,063.90 = 86,227,540.20 : x
  2. Step 2: Convert to fraction form
    132,144,042.60/198,216,063.90 = 86,227,540.20/x
  3. Step 3: Cross multiply
    132,144,042.60x = 198,216,063.90 × 86,227,540.20
  4. Step 4: Simplify right side
    132,144,042.60x = 17,091,683,618,223,020
  5. Step 5: Solve for x
    x = 17,091,683,618,223,020/132,144,042.60
  6. Step 6: Final answer
    x = 129,341,310.30

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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.