Home / 287,558,869.96-396,849,024.11-158,664,049.97

Finding the Fourth Proportional to 287,558,869.96, 396,849,024.11 and 158,664,049.97

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Solution

The fourth proportional to 287,558,869.96, 396,849,024.11 and 158,664,049.97 is: 218,966,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,558,869.96 : 396,849,024.11 = 158,664,049.97 : x
  2. Step 2: Convert to fraction form
    287,558,869.96/396,849,024.11 = 158,664,049.97/x
  3. Step 3: Cross multiply
    287,558,869.96x = 396,849,024.11 × 158,664,049.97
  4. Step 4: Simplify right side
    287,558,869.96x = 62,965,673,393,620,256
  5. Step 5: Solve for x
    x = 62,965,673,393,620,256/287,558,869.96
  6. Step 6: Final answer
    x = 218,966,201.26

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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.