Home / 123,008,568.25-169,755,367.13-68,007,967.69

Finding the Fourth Proportional to 123,008,568.25, 169,755,367.13 and 68,007,967.69

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Solution

The fourth proportional to 123,008,568.25, 169,755,367.13 and 68,007,967.69 is: 93,852,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008,568.25 : 169,755,367.13 = 68,007,967.69 : x
  2. Step 2: Convert to fraction form
    123,008,568.25/169,755,367.13 = 68,007,967.69/x
  3. Step 3: Cross multiply
    123,008,568.25x = 169,755,367.13 × 68,007,967.69
  4. Step 4: Simplify right side
    123,008,568.25x = 11,544,717,522,981,128
  5. Step 5: Solve for x
    x = 11,544,717,522,981,128/123,008,568.25
  6. Step 6: Final answer
    x = 93,852,954.21

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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.