Home / 306,467,065.60-422,933,540.16-167,246,817.28

Finding the Fourth Proportional to 306,467,065.60, 422,933,540.16 and 167,246,817.28

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Solution

The fourth proportional to 306,467,065.60, 422,933,540.16 and 167,246,817.28 is: 230,805,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,467,065.60 : 422,933,540.16 = 167,246,817.28 : x
  2. Step 2: Convert to fraction form
    306,467,065.60/422,933,540.16 = 167,246,817.28/x
  3. Step 3: Cross multiply
    306,467,065.60x = 422,933,540.16 × 167,246,817.28
  4. Step 4: Simplify right side
    306,467,065.60x = 70,734,288,512,723,064
  5. Step 5: Solve for x
    x = 70,734,288,512,723,064/306,467,065.60
  6. Step 6: Final answer
    x = 230,805,513.72

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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.