Home / 159,006,159.20-219,427,179.72-89,391,849.68

Finding the Fourth Proportional to 159,006,159.20, 219,427,179.72 and 89,391,849.68

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Solution

The fourth proportional to 159,006,159.20, 219,427,179.72 and 89,391,849.68 is: 123,360,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,006,159.20 : 219,427,179.72 = 89,391,849.68 : x
  2. Step 2: Convert to fraction form
    159,006,159.20/219,427,179.72 = 89,391,849.68/x
  3. Step 3: Cross multiply
    159,006,159.20x = 219,427,179.72 × 89,391,849.68
  4. Step 4: Simplify right side
    159,006,159.20x = 19,615,001,465,236,584
  5. Step 5: Solve for x
    x = 19,615,001,465,236,584/159,006,159.20
  6. Step 6: Final answer
    x = 123,360,010.48

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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.