Home / 259,981,915.14-358,565,845.50-228,552,763.86

Finding the Fourth Proportional to 259,981,915.14, 358,565,845.50 and 228,552,763.86

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Solution

The fourth proportional to 259,981,915.14, 358,565,845.50 and 228,552,763.86 is: 315,218,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,981,915.14 : 358,565,845.50 = 228,552,763.86 : x
  2. Step 2: Convert to fraction form
    259,981,915.14/358,565,845.50 = 228,552,763.86/x
  3. Step 3: Cross multiply
    259,981,915.14x = 358,565,845.50 × 228,552,763.86
  4. Step 4: Simplify right side
    259,981,915.14x = 81,951,215,014,822,752
  5. Step 5: Solve for x
    x = 81,951,215,014,822,752/259,981,915.14
  6. Step 6: Final answer
    x = 315,218,906.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.