Home / 281,930,964.43-389,033,175.24-156,488,448.27

Finding the Fourth Proportional to 281,930,964.43, 389,033,175.24 and 156,488,448.27

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Solution

The fourth proportional to 281,930,964.43, 389,033,175.24 and 156,488,448.27 is: 215,936,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,930,964.43 : 389,033,175.24 = 156,488,448.27 : x
  2. Step 2: Convert to fraction form
    281,930,964.43/389,033,175.24 = 156,488,448.27/x
  3. Step 3: Cross multiply
    281,930,964.43x = 389,033,175.24 × 156,488,448.27
  4. Step 4: Simplify right side
    281,930,964.43x = 60,879,197,919,610,000
  5. Step 5: Solve for x
    x = 60,879,197,919,610,000/281,930,964.43
  6. Step 6: Final answer
    x = 215,936,543.34

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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.