Home / 206,195,025.20-309,486,906.36-75,163,950.40

Finding the Fourth Proportional to 206,195,025.20, 309,486,906.36 and 75,163,950.40

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Solution

The fourth proportional to 206,195,025.20, 309,486,906.36 and 75,163,950.40 is: 112,816,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,195,025.20 : 309,486,906.36 = 75,163,950.40 : x
  2. Step 2: Convert to fraction form
    206,195,025.20/309,486,906.36 = 75,163,950.40/x
  3. Step 3: Cross multiply
    206,195,025.20x = 309,486,906.36 × 75,163,950.40
  4. Step 4: Simplify right side
    206,195,025.20x = 23,262,258,479,092,488
  5. Step 5: Solve for x
    x = 23,262,258,479,092,488/206,195,025.20
  6. Step 6: Final answer
    x = 112,816,778.47

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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.