Home / 431,757,190.35-647,595,632.03-120,892,942.71

Finding the Fourth Proportional to 431,757,190.35, 647,595,632.03 and 120,892,942.71

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Solution

The fourth proportional to 431,757,190.35, 647,595,632.03 and 120,892,942.71 is: 181,328,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,757,190.35 : 647,595,632.03 = 120,892,942.71 : x
  2. Step 2: Convert to fraction form
    431,757,190.35/647,595,632.03 = 120,892,942.71/x
  3. Step 3: Cross multiply
    431,757,190.35x = 647,595,632.03 × 120,892,942.71
  4. Step 4: Simplify right side
    431,757,190.35x = 78,289,741,641,644,560
  5. Step 5: Solve for x
    x = 78,289,741,641,644,560/431,757,190.35
  6. Step 6: Final answer
    x = 181,328,171.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.