Home / 313,096,879.38-432,078,897.30-171,981,147.98

Finding the Fourth Proportional to 313,096,879.38, 432,078,897.30 and 171,981,147.98

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Solution

The fourth proportional to 313,096,879.38, 432,078,897.30 and 171,981,147.98 is: 237,336,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,096,879.38 : 432,078,897.30 = 171,981,147.98 : x
  2. Step 2: Convert to fraction form
    313,096,879.38/432,078,897.30 = 171,981,147.98/x
  3. Step 3: Cross multiply
    313,096,879.38x = 432,078,897.30 × 171,981,147.98
  4. Step 4: Simplify right side
    313,096,879.38x = 74,309,424,775,586,512
  5. Step 5: Solve for x
    x = 74,309,424,775,586,512/313,096,879.38
  6. Step 6: Final answer
    x = 237,336,842.59

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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.