Home / 88,128,918.60-132,193,377.90-82,156,950.60

Finding the Fourth Proportional to 88,128,918.60, 132,193,377.90 and 82,156,950.60

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Solution

The fourth proportional to 88,128,918.60, 132,193,377.90 and 82,156,950.60 is: 123,235,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,918.60 : 132,193,377.90 = 82,156,950.60 : x
  2. Step 2: Convert to fraction form
    88,128,918.60/132,193,377.90 = 82,156,950.60/x
  3. Step 3: Cross multiply
    88,128,918.60x = 132,193,377.90 × 82,156,950.60
  4. Step 4: Simplify right side
    88,128,918.60x = 10,860,604,817,777,432
  5. Step 5: Solve for x
    x = 10,860,604,817,777,432/88,128,918.60
  6. Step 6: Final answer
    x = 123,235,425.90

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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.