Home / 124,981,367.83-172,436,979.13-80,858,497.03

Finding the Fourth Proportional to 124,981,367.83, 172,436,979.13 and 80,858,497.03

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Solution

The fourth proportional to 124,981,367.83, 172,436,979.13 and 80,858,497.03 is: 111,560,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,981,367.83 : 172,436,979.13 = 80,858,497.03 : x
  2. Step 2: Convert to fraction form
    124,981,367.83/172,436,979.13 = 80,858,497.03/x
  3. Step 3: Cross multiply
    124,981,367.83x = 172,436,979.13 × 80,858,497.03
  4. Step 4: Simplify right side
    124,981,367.83x = 13,942,994,964,845,276
  5. Step 5: Solve for x
    x = 13,942,994,964,845,276/124,981,367.83
  6. Step 6: Final answer
    x = 111,560,588.65

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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.