Home / 321,857,083.77-444,320,227.89-215,972,614.91

Finding the Fourth Proportional to 321,857,083.77, 444,320,227.89 and 215,972,614.91

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Solution

The fourth proportional to 321,857,083.77, 444,320,227.89 and 215,972,614.91 is: 298,147,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,857,083.77 : 444,320,227.89 = 215,972,614.91 : x
  2. Step 2: Convert to fraction form
    321,857,083.77/444,320,227.89 = 215,972,614.91/x
  3. Step 3: Cross multiply
    321,857,083.77x = 444,320,227.89 × 215,972,614.91
  4. Step 4: Simplify right side
    321,857,083.77x = 95,961,001,472,588,816
  5. Step 5: Solve for x
    x = 95,961,001,472,588,816/321,857,083.77
  6. Step 6: Final answer
    x = 298,147,862.24

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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.