Home / 88,128,910.80-132,193,366.20-82,156,942.80

Finding the Fourth Proportional to 88,128,910.80, 132,193,366.20 and 82,156,942.80

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Solution

The fourth proportional to 88,128,910.80, 132,193,366.20 and 82,156,942.80 is: 123,235,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,910.80 : 132,193,366.20 = 82,156,942.80 : x
  2. Step 2: Convert to fraction form
    88,128,910.80/132,193,366.20 = 82,156,942.80/x
  3. Step 3: Cross multiply
    88,128,910.80x = 132,193,366.20 × 82,156,942.80
  4. Step 4: Simplify right side
    88,128,910.80x = 10,860,602,825,432,854
  5. Step 5: Solve for x
    x = 10,860,602,825,432,854/88,128,910.80
  6. Step 6: Final answer
    x = 123,235,414.20

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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.