Home / 71,416,043.05-98,555,219.27-40,061,042.53

Finding the Fourth Proportional to 71,416,043.05, 98,555,219.27 and 40,061,042.53

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Solution

The fourth proportional to 71,416,043.05, 98,555,219.27 and 40,061,042.53 is: 55,284,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416,043.05 : 98,555,219.27 = 40,061,042.53 : x
  2. Step 2: Convert to fraction form
    71,416,043.05/98,555,219.27 = 40,061,042.53/x
  3. Step 3: Cross multiply
    71,416,043.05x = 98,555,219.27 × 40,061,042.53
  4. Step 4: Simplify right side
    71,416,043.05x = 3,948,224,830,035,864
  5. Step 5: Solve for x
    x = 3,948,224,830,035,864/71,416,043.05
  6. Step 6: Final answer
    x = 55,284,844.43

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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.