Home / 76,979,561.10-115,486,575.23-25,860,185.70

Finding the Fourth Proportional to 76,979,561.10, 115,486,575.23 and 25,860,185.70

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Solution

The fourth proportional to 76,979,561.10, 115,486,575.23 and 25,860,185.70 is: 38,796,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,979,561.10 : 115,486,575.23 = 25,860,185.70 : x
  2. Step 2: Convert to fraction form
    76,979,561.10/115,486,575.23 = 25,860,185.70/x
  3. Step 3: Cross multiply
    76,979,561.10x = 115,486,575.23 × 25,860,185.70
  4. Step 4: Simplify right side
    76,979,561.10x = 2,986,504,281,304,820
  5. Step 5: Solve for x
    x = 2,986,504,281,304,820/76,979,561.10
  6. Step 6: Final answer
    x = 38,796,067.93

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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.