Home / 71,132,595.09-98,161,701.66-40,192,100.07

Finding the Fourth Proportional to 71,132,595.09, 98,161,701.66 and 40,192,100.07

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Solution

The fourth proportional to 71,132,595.09, 98,161,701.66 and 40,192,100.07 is: 55,464,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132,595.09 : 98,161,701.66 = 40,192,100.07 : x
  2. Step 2: Convert to fraction form
    71,132,595.09/98,161,701.66 = 40,192,100.07/x
  3. Step 3: Cross multiply
    71,132,595.09x = 98,161,701.66 × 40,192,100.07
  4. Step 4: Simplify right side
    71,132,595.09x = 3,945,324,935,792,098
  5. Step 5: Solve for x
    x = 3,945,324,935,792,098/71,132,595.09
  6. Step 6: Final answer
    x = 55,464,375.10

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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.