Home / 71,339,198.16-98,454,165.24-40,404,870.48

Finding the Fourth Proportional to 71,339,198.16, 98,454,165.24 and 40,404,870.48

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Solution

The fourth proportional to 71,339,198.16, 98,454,165.24 and 40,404,870.48 is: 55,762,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,339,198.16 : 98,454,165.24 = 40,404,870.48 : x
  2. Step 2: Convert to fraction form
    71,339,198.16/98,454,165.24 = 40,404,870.48/x
  3. Step 3: Cross multiply
    71,339,198.16x = 98,454,165.24 × 40,404,870.48
  4. Step 4: Simplify right side
    71,339,198.16x = 3,978,027,794,738,717.50
  5. Step 5: Solve for x
    x = 3,978,027,794,738,717.50/71,339,198.16
  6. Step 6: Final answer
    x = 55,762,160.18

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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.