Home / 71,404,439.82-98,540,205.48-40,463,580.30

Finding the Fourth Proportional to 71,404,439.82, 98,540,205.48 and 40,463,580.30

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Solution

The fourth proportional to 71,404,439.82, 98,540,205.48 and 40,463,580.30 is: 55,840,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,404,439.82 : 98,540,205.48 = 40,463,580.30 : x
  2. Step 2: Convert to fraction form
    71,404,439.82/98,540,205.48 = 40,463,580.30/x
  3. Step 3: Cross multiply
    71,404,439.82x = 98,540,205.48 × 40,463,580.30
  4. Step 4: Simplify right side
    71,404,439.82x = 3,987,289,517,218,480
  5. Step 5: Solve for x
    x = 3,987,289,517,218,480/71,404,439.82
  6. Step 6: Final answer
    x = 55,840,918.68

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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.