Home / 159,769,319.06-220,479,504.56-89,206,016.16

Finding the Fourth Proportional to 159,769,319.06, 220,479,504.56 and 89,206,016.16

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Solution

The fourth proportional to 159,769,319.06, 220,479,504.56 and 89,206,016.16 is: 123,103,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,769,319.06 : 220,479,504.56 = 89,206,016.16 : x
  2. Step 2: Convert to fraction form
    159,769,319.06/220,479,504.56 = 89,206,016.16/x
  3. Step 3: Cross multiply
    159,769,319.06x = 220,479,504.56 × 89,206,016.16
  4. Step 4: Simplify right side
    159,769,319.06x = 19,668,098,246,728,152
  5. Step 5: Solve for x
    x = 19,668,098,246,728,152/159,769,319.06
  6. Step 6: Final answer
    x = 123,103,098.66

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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.