Home / 293,786,019.20-440,695,617.60-89,320,764.80

Finding the Fourth Proportional to 293,786,019.20, 440,695,617.60 and 89,320,764.80

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Solution

The fourth proportional to 293,786,019.20, 440,695,617.60 and 89,320,764.80 is: 133,986,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,786,019.20 : 440,695,617.60 = 89,320,764.80 : x
  2. Step 2: Convert to fraction form
    293,786,019.20/440,695,617.60 = 89,320,764.80/x
  3. Step 3: Cross multiply
    293,786,019.20x = 440,695,617.60 × 89,320,764.80
  4. Step 4: Simplify right side
    293,786,019.20x = 39,363,269,608,040,344
  5. Step 5: Solve for x
    x = 39,363,269,608,040,344/293,786,019.20
  6. Step 6: Final answer
    x = 133,986,190.75

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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.