Home / 81,850,613.70-122,775,920.55-49,565,572.95

Finding the Fourth Proportional to 81,850,613.70, 122,775,920.55 and 49,565,572.95

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Solution

The fourth proportional to 81,850,613.70, 122,775,920.55 and 49,565,572.95 is: 74,348,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,850,613.70 : 122,775,920.55 = 49,565,572.95 : x
  2. Step 2: Convert to fraction form
    81,850,613.70/122,775,920.55 = 49,565,572.95/x
  3. Step 3: Cross multiply
    81,850,613.70x = 122,775,920.55 × 49,565,572.95
  4. Step 4: Simplify right side
    81,850,613.70x = 6,085,458,846,524,429
  5. Step 5: Solve for x
    x = 6,085,458,846,524,429/81,850,613.70
  6. Step 6: Final answer
    x = 74,348,359.43

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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.