Home / 306,465,942.20-422,931,934.52-167,245,671.80

Finding the Fourth Proportional to 306,465,942.20, 422,931,934.52 and 167,245,671.80

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Solution

The fourth proportional to 306,465,942.20, 422,931,934.52 and 167,245,671.80 is: 230,803,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,465,942.20 : 422,931,934.52 = 167,245,671.80 : x
  2. Step 2: Convert to fraction form
    306,465,942.20/422,931,934.52 = 167,245,671.80/x
  3. Step 3: Cross multiply
    306,465,942.20x = 422,931,934.52 × 167,245,671.80
  4. Step 4: Simplify right side
    306,465,942.20x = 70,733,535,514,471,016
  5. Step 5: Solve for x
    x = 70,733,535,514,471,016/306,465,942.20
  6. Step 6: Final answer
    x = 230,803,902.73

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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.