Home / 312,036,699.70-468,055,049.55-158,981,691.70

Finding the Fourth Proportional to 312,036,699.70, 468,055,049.55 and 158,981,691.70

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Solution

The fourth proportional to 312,036,699.70, 468,055,049.55 and 158,981,691.70 is: 238,472,537.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,036,699.70 : 468,055,049.55 = 158,981,691.70 : x
  2. Step 2: Convert to fraction form
    312,036,699.70/468,055,049.55 = 158,981,691.70/x
  3. Step 3: Cross multiply
    312,036,699.70x = 468,055,049.55 × 158,981,691.70
  4. Step 4: Simplify right side
    312,036,699.70x = 74,412,183,586,186,320
  5. Step 5: Solve for x
    x = 74,412,183,586,186,320/312,036,699.70
  6. Step 6: Final answer
    x = 238,472,537.55

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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.