Home / 159,720,230.92-220,413,918.54-86,381,372.92

Finding the Fourth Proportional to 159,720,230.92, 220,413,918.54 and 86,381,372.92

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Solution

The fourth proportional to 159,720,230.92, 220,413,918.54 and 86,381,372.92 is: 119,206,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,720,230.92 : 220,413,918.54 = 86,381,372.92 : x
  2. Step 2: Convert to fraction form
    159,720,230.92/220,413,918.54 = 86,381,372.92/x
  3. Step 3: Cross multiply
    159,720,230.92x = 220,413,918.54 × 86,381,372.92
  4. Step 4: Simplify right side
    159,720,230.92x = 19,039,656,894,162,240
  5. Step 5: Solve for x
    x = 19,039,656,894,162,240/159,720,230.92
  6. Step 6: Final answer
    x = 119,206,294.56

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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.