Home / 278,339,360.82-384,085,917.66-160,872,299.38

Finding the Fourth Proportional to 278,339,360.82, 384,085,917.66 and 160,872,299.38

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Solution

The fourth proportional to 278,339,360.82, 384,085,917.66 and 160,872,299.38 is: 221,990,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,339,360.82 : 384,085,917.66 = 160,872,299.38 : x
  2. Step 2: Convert to fraction form
    278,339,360.82/384,085,917.66 = 160,872,299.38/x
  3. Step 3: Cross multiply
    278,339,360.82x = 384,085,917.66 × 160,872,299.38
  4. Step 4: Simplify right side
    278,339,360.82x = 61,788,784,733,441,552
  5. Step 5: Solve for x
    x = 61,788,784,733,441,552/278,339,360.82
  6. Step 6: Final answer
    x = 221,990,826.42

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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.