Home / 397,120,930.80-595,681,396.20-105,987,490.80

Finding the Fourth Proportional to 397,120,930.80, 595,681,396.20 and 105,987,490.80

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Solution

The fourth proportional to 397,120,930.80, 595,681,396.20 and 105,987,490.80 is: 158,981,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,120,930.80 : 595,681,396.20 = 105,987,490.80 : x
  2. Step 2: Convert to fraction form
    397,120,930.80/595,681,396.20 = 105,987,490.80/x
  3. Step 3: Cross multiply
    397,120,930.80x = 595,681,396.20 × 105,987,490.80
  4. Step 4: Simplify right side
    397,120,930.80x = 63,134,776,499,478,656
  5. Step 5: Solve for x
    x = 63,134,776,499,478,656/397,120,930.80
  6. Step 6: Final answer
    x = 158,981,236.20

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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.