Home / 108,396,211.20-162,540,516.60-39,306,256.80

Finding the Fourth Proportional to 108,396,211.20, 162,540,516.60 and 39,306,256.80

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Solution

The fourth proportional to 108,396,211.20, 162,540,516.60 and 39,306,256.80 is: 58,939,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,396,211.20 : 162,540,516.60 = 39,306,256.80 : x
  2. Step 2: Convert to fraction form
    108,396,211.20/162,540,516.60 = 39,306,256.80/x
  3. Step 3: Cross multiply
    108,396,211.20x = 162,540,516.60 × 39,306,256.80
  4. Step 4: Simplify right side
    108,396,211.20x = 6,388,859,285,884,262
  5. Step 5: Solve for x
    x = 6,388,859,285,884,262/108,396,211.20
  6. Step 6: Final answer
    x = 58,939,876.36

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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.