Home / 259,017,833.85-388,728,227.36-180,786,514.38

Finding the Fourth Proportional to 259,017,833.85, 388,728,227.36 and 180,786,514.38

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Solution

The fourth proportional to 259,017,833.85, 388,728,227.36 and 180,786,514.38 is: 271,320,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,017,833.85 : 388,728,227.36 = 180,786,514.38 : x
  2. Step 2: Convert to fraction form
    259,017,833.85/388,728,227.36 = 180,786,514.38/x
  3. Step 3: Cross multiply
    259,017,833.85x = 388,728,227.36 × 180,786,514.38
  4. Step 4: Simplify right side
    259,017,833.85x = 70,276,821,265,530,552
  5. Step 5: Solve for x
    x = 70,276,821,265,530,552/259,017,833.85
  6. Step 6: Final answer
    x = 271,320,396.06

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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.