Home / 168,940,868.40-233,138,400.24-91,678,532.40

Finding the Fourth Proportional to 168,940,868.40, 233,138,400.24 and 91,678,532.40

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Solution

The fourth proportional to 168,940,868.40, 233,138,400.24 and 91,678,532.40 is: 126,516,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,940,868.40 : 233,138,400.24 = 91,678,532.40 : x
  2. Step 2: Convert to fraction form
    168,940,868.40/233,138,400.24 = 91,678,532.40/x
  3. Step 3: Cross multiply
    168,940,868.40x = 233,138,400.24 × 91,678,532.40
  4. Step 4: Simplify right side
    168,940,868.40x = 21,373,786,380,087,012
  5. Step 5: Solve for x
    x = 21,373,786,380,087,012/168,940,868.40
  6. Step 6: Final answer
    x = 126,516,375.71

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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.