Home / 132,343,640.70-198,515,461.05-40,227,200.70

Finding the Fourth Proportional to 132,343,640.70, 198,515,461.05 and 40,227,200.70

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Solution

The fourth proportional to 132,343,640.70, 198,515,461.05 and 40,227,200.70 is: 60,340,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343,640.70 : 198,515,461.05 = 40,227,200.70 : x
  2. Step 2: Convert to fraction form
    132,343,640.70/198,515,461.05 = 40,227,200.70/x
  3. Step 3: Cross multiply
    132,343,640.70x = 198,515,461.05 × 40,227,200.70
  4. Step 4: Simplify right side
    132,343,640.70x = 7,985,721,293,711,384
  5. Step 5: Solve for x
    x = 7,985,721,293,711,384/132,343,640.70
  6. Step 6: Final answer
    x = 60,340,801.05

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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.