Home / 159,006,166.20-219,427,189.38-89,391,856.68

Finding the Fourth Proportional to 159,006,166.20, 219,427,189.38 and 89,391,856.68

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Solution

The fourth proportional to 159,006,166.20, 219,427,189.38 and 89,391,856.68 is: 123,360,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,006,166.20 : 219,427,189.38 = 89,391,856.68 : x
  2. Step 2: Convert to fraction form
    159,006,166.20/219,427,189.38 = 89,391,856.68/x
  3. Step 3: Cross multiply
    159,006,166.20x = 219,427,189.38 × 89,391,856.68
  4. Step 4: Simplify right side
    159,006,166.20x = 19,615,003,864,752,180
  5. Step 5: Solve for x
    x = 19,615,003,864,752,180/159,006,166.20
  6. Step 6: Final answer
    x = 123,360,020.14

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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.