Home / 124,752,382.43-172,164,744.77-71,836,949.69

Finding the Fourth Proportional to 124,752,382.43, 172,164,744.77 and 71,836,949.69

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Solution

The fourth proportional to 124,752,382.43, 172,164,744.77 and 71,836,949.69 is: 99,138,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,752,382.43 : 172,164,744.77 = 71,836,949.69 : x
  2. Step 2: Convert to fraction form
    124,752,382.43/172,164,744.77 = 71,836,949.69/x
  3. Step 3: Cross multiply
    124,752,382.43x = 172,164,744.77 × 71,836,949.69
  4. Step 4: Simplify right side
    124,752,382.43x = 12,367,790,107,214,172
  5. Step 5: Solve for x
    x = 12,367,790,107,214,172/124,752,382.43
  6. Step 6: Final answer
    x = 99,138,708.74

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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.