Home / 217,503,836.48-300,180,853.06-122,150,015.82

Finding the Fourth Proportional to 217,503,836.48, 300,180,853.06 and 122,150,015.82

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Solution

The fourth proportional to 217,503,836.48, 300,180,853.06 and 122,150,015.82 is: 168,581,375.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,503,836.48 : 300,180,853.06 = 122,150,015.82 : x
  2. Step 2: Convert to fraction form
    217,503,836.48/300,180,853.06 = 122,150,015.82/x
  3. Step 3: Cross multiply
    217,503,836.48x = 300,180,853.06 × 122,150,015.82
  4. Step 4: Simplify right side
    217,503,836.48x = 36,667,095,949,834,720
  5. Step 5: Solve for x
    x = 36,667,095,949,834,720/217,503,836.48
  6. Step 6: Final answer
    x = 168,581,375.59

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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.