Home / 281,930,966.68-389,033,178.34-156,488,450.52

Finding the Fourth Proportional to 281,930,966.68, 389,033,178.34 and 156,488,450.52

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Solution

The fourth proportional to 281,930,966.68, 389,033,178.34 and 156,488,450.52 is: 215,936,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,930,966.68 : 389,033,178.34 = 156,488,450.52 : x
  2. Step 2: Convert to fraction form
    281,930,966.68/389,033,178.34 = 156,488,450.52/x
  3. Step 3: Cross multiply
    281,930,966.68x = 389,033,178.34 × 156,488,450.52
  4. Step 4: Simplify right side
    281,930,966.68x = 60,879,199,279,297,424
  5. Step 5: Solve for x
    x = 60,879,199,279,297,424/281,930,966.68
  6. Step 6: Final answer
    x = 215,936,546.44

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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.