Home / 88,128,414.30-132,192,621.45-86,336,823.90

Finding the Fourth Proportional to 88,128,414.30, 132,192,621.45 and 86,336,823.90

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Solution

The fourth proportional to 88,128,414.30, 132,192,621.45 and 86,336,823.90 is: 129,505,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,414.30 : 132,192,621.45 = 86,336,823.90 : x
  2. Step 2: Convert to fraction form
    88,128,414.30/132,192,621.45 = 86,336,823.90/x
  3. Step 3: Cross multiply
    88,128,414.30x = 132,192,621.45 × 86,336,823.90
  4. Step 4: Simplify right side
    88,128,414.30x = 11,413,091,079,008,014
  5. Step 5: Solve for x
    x = 11,413,091,079,008,014/88,128,414.30
  6. Step 6: Final answer
    x = 129,505,235.85

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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.