Home / 159,769,314.06-220,479,497.67-89,206,011.17

Finding the Fourth Proportional to 159,769,314.06, 220,479,497.67 and 89,206,011.17

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Solution

The fourth proportional to 159,769,314.06, 220,479,497.67 and 89,206,011.17 is: 123,103,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,769,314.06 : 220,479,497.67 = 89,206,011.17 : x
  2. Step 2: Convert to fraction form
    159,769,314.06/220,479,497.67 = 89,206,011.17/x
  3. Step 3: Cross multiply
    159,769,314.06x = 220,479,497.67 × 89,206,011.17
  4. Step 4: Simplify right side
    159,769,314.06x = 19,668,096,531,906,008
  5. Step 5: Solve for x
    x = 19,668,096,531,906,008/159,769,314.06
  6. Step 6: Final answer
    x = 123,103,091.78

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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.