Home / 85,180,138.50-117,548,591.67-48,514,121.22

Finding the Fourth Proportional to 85,180,138.50, 117,548,591.67 and 48,514,121.22

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Solution

The fourth proportional to 85,180,138.50, 117,548,591.67 and 48,514,121.22 is: 66,949,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180,138.50 : 117,548,591.67 = 48,514,121.22 : x
  2. Step 2: Convert to fraction form
    85,180,138.50/117,548,591.67 = 48,514,121.22/x
  3. Step 3: Cross multiply
    85,180,138.50x = 117,548,591.67 × 48,514,121.22
  4. Step 4: Simplify right side
    85,180,138.50x = 5,702,766,625,518,662
  5. Step 5: Solve for x
    x = 5,702,766,625,518,662/85,180,138.50
  6. Step 6: Final answer
    x = 66,949,487.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.