Home / 71,723,668.30-107,548,125.80-25,647,775.18

Finding the Fourth Proportional to 71,723,668.30, 107,548,125.80 and 25,647,775.18

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Solution

The fourth proportional to 71,723,668.30, 107,548,125.80 and 25,647,775.18 is: 38,458,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,723,668.30 : 107,548,125.80 = 25,647,775.18 : x
  2. Step 2: Convert to fraction form
    71,723,668.30/107,548,125.80 = 25,647,775.18/x
  3. Step 3: Cross multiply
    71,723,668.30x = 107,548,125.80 × 25,647,775.18
  4. Step 4: Simplify right side
    71,723,668.30x = 2,758,370,151,548,757.50
  5. Step 5: Solve for x
    x = 2,758,370,151,548,757.50/71,723,668.30
  6. Step 6: Final answer
    x = 38,458,297.20

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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.