Home / 319,451,269.20-479,204,343.32-112,171,863.36

Finding the Fourth Proportional to 319,451,269.20, 479,204,343.32 and 112,171,863.36

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Solution

The fourth proportional to 319,451,269.20, 479,204,343.32 and 112,171,863.36 is: 168,267,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,451,269.20 : 479,204,343.32 = 112,171,863.36 : x
  2. Step 2: Convert to fraction form
    319,451,269.20/479,204,343.32 = 112,171,863.36/x
  3. Step 3: Cross multiply
    319,451,269.20x = 479,204,343.32 × 112,171,863.36
  4. Step 4: Simplify right side
    319,451,269.20x = 53,753,244,120,409,568
  5. Step 5: Solve for x
    x = 53,753,244,120,409,568/319,451,269.20
  6. Step 6: Final answer
    x = 168,267,430.13

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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.