Home / 86,002,351.20-129,040,851.60-43,452,079.20

Finding the Fourth Proportional to 86,002,351.20, 129,040,851.60 and 43,452,079.20

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Solution

The fourth proportional to 86,002,351.20, 129,040,851.60 and 43,452,079.20 is: 65,196,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,002,351.20 : 129,040,851.60 = 43,452,079.20 : x
  2. Step 2: Convert to fraction form
    86,002,351.20/129,040,851.60 = 43,452,079.20/x
  3. Step 3: Cross multiply
    86,002,351.20x = 129,040,851.60 × 43,452,079.20
  4. Step 4: Simplify right side
    86,002,351.20x = 5,607,093,303,758,647
  5. Step 5: Solve for x
    x = 5,607,093,303,758,647/86,002,351.20
  6. Step 6: Final answer
    x = 65,196,976.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.