Home / 88,128,879.30-132,193,318.95-82,156,911.30

Finding the Fourth Proportional to 88,128,879.30, 132,193,318.95 and 82,156,911.30

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Solution

The fourth proportional to 88,128,879.30, 132,193,318.95 and 82,156,911.30 is: 123,235,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,879.30 : 132,193,318.95 = 82,156,911.30 : x
  2. Step 2: Convert to fraction form
    88,128,879.30/132,193,318.95 = 82,156,911.30/x
  3. Step 3: Cross multiply
    88,128,879.30x = 132,193,318.95 × 82,156,911.30
  4. Step 4: Simplify right side
    88,128,879.30x = 10,860,594,779,427,758
  5. Step 5: Solve for x
    x = 10,860,594,779,427,758/88,128,879.30
  6. Step 6: Final answer
    x = 123,235,366.95

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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.