Home / 71,416,042.55-98,555,218.58-40,061,042.03

Finding the Fourth Proportional to 71,416,042.55, 98,555,218.58 and 40,061,042.03

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Solution

The fourth proportional to 71,416,042.55, 98,555,218.58 and 40,061,042.03 is: 55,284,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416,042.55 : 98,555,218.58 = 40,061,042.03 : x
  2. Step 2: Convert to fraction form
    71,416,042.55/98,555,218.58 = 40,061,042.03/x
  3. Step 3: Cross multiply
    71,416,042.55x = 98,555,218.58 × 40,061,042.03
  4. Step 4: Simplify right side
    71,416,042.55x = 3,948,224,753,116,135.50
  5. Step 5: Solve for x
    x = 3,948,224,753,116,135.50/71,416,042.55
  6. Step 6: Final answer
    x = 55,284,843.74

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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.