Home / 257,795,906.72-386,690,073.53-63,707,317.29

Finding the Fourth Proportional to 257,795,906.72, 386,690,073.53 and 63,707,317.29

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Solution

The fourth proportional to 257,795,906.72, 386,690,073.53 and 63,707,317.29 is: 95,560,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,795,906.72 : 386,690,073.53 = 63,707,317.29 : x
  2. Step 2: Convert to fraction form
    257,795,906.72/386,690,073.53 = 63,707,317.29/x
  3. Step 3: Cross multiply
    257,795,906.72x = 386,690,073.53 × 63,707,317.29
  4. Step 4: Simplify right side
    257,795,906.72x = 24,634,987,206,950,600
  5. Step 5: Solve for x
    x = 24,634,987,206,950,600/257,795,906.72
  6. Step 6: Final answer
    x = 95,560,040.19

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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.