Home / 216,188,514.14-298,361,489.38-123,382,906.70

Finding the Fourth Proportional to 216,188,514.14, 298,361,489.38 and 123,382,906.70

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Solution

The fourth proportional to 216,188,514.14, 298,361,489.38 and 123,382,906.70 is: 170,280,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,188,514.14 : 298,361,489.38 = 123,382,906.70 : x
  2. Step 2: Convert to fraction form
    216,188,514.14/298,361,489.38 = 123,382,906.70/x
  3. Step 3: Cross multiply
    216,188,514.14x = 298,361,489.38 × 123,382,906.70
  4. Step 4: Simplify right side
    216,188,514.14x = 36,812,707,805,245,312
  5. Step 5: Solve for x
    x = 36,812,707,805,245,312/216,188,514.14
  6. Step 6: Final answer
    x = 170,280,590.31

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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.