Home / 205,763,470.08-309,876,944.10-187,396,869.12

Finding the Fourth Proportional to 205,763,470.08, 309,876,944.10 and 187,396,869.12

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Solution

The fourth proportional to 205,763,470.08, 309,876,944.10 and 187,396,869.12 is: 282,217,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,763,470.08 : 309,876,944.10 = 187,396,869.12 : x
  2. Step 2: Convert to fraction form
    205,763,470.08/309,876,944.10 = 187,396,869.12/x
  3. Step 3: Cross multiply
    205,763,470.08x = 309,876,944.10 × 187,396,869.12
  4. Step 4: Simplify right side
    205,763,470.08x = 58,069,969,136,813,264
  5. Step 5: Solve for x
    x = 58,069,969,136,813,264/205,763,470.08
  6. Step 6: Final answer
    x = 282,217,096.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.