Home / 82,394,442.63-123,522,155.28-67,822,081.30

Finding the Fourth Proportional to 82,394,442.63, 123,522,155.28 and 67,822,081.30

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Solution

The fourth proportional to 82,394,442.63, 123,522,155.28 and 67,822,081.30 is: 101,675,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,394,442.63 : 123,522,155.28 = 67,822,081.30 : x
  2. Step 2: Convert to fraction form
    82,394,442.63/123,522,155.28 = 67,822,081.30/x
  3. Step 3: Cross multiply
    82,394,442.63x = 123,522,155.28 × 67,822,081.30
  4. Step 4: Simplify right side
    82,394,442.63x = 8,377,529,657,367,862
  5. Step 5: Solve for x
    x = 8,377,529,657,367,862/82,394,442.63
  6. Step 6: Final answer
    x = 101,675,906.65

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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.