Home / 81,488,695.87-122,245,196.37-26,907,046.75

Finding the Fourth Proportional to 81,488,695.87, 122,245,196.37 and 26,907,046.75

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Solution

The fourth proportional to 81,488,695.87, 122,245,196.37 and 26,907,046.75 is: 40,364,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,488,695.87 : 122,245,196.37 = 26,907,046.75 : x
  2. Step 2: Convert to fraction form
    81,488,695.87/122,245,196.37 = 26,907,046.75/x
  3. Step 3: Cross multiply
    81,488,695.87x = 122,245,196.37 × 26,907,046.75
  4. Step 4: Simplify right side
    81,488,695.87x = 3,289,257,213,690,520.50
  5. Step 5: Solve for x
    x = 3,289,257,213,690,520.50/81,488,695.87
  6. Step 6: Final answer
    x = 40,364,582.82

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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.