Home / 568,332,142.20-852,498,245.70-137,510,638.20

Finding the Fourth Proportional to 568,332,142.20, 852,498,245.70 and 137,510,638.20

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Solution

The fourth proportional to 568,332,142.20, 852,498,245.70 and 137,510,638.20 is: 206,265,965.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,332,142.20 : 852,498,245.70 = 137,510,638.20 : x
  2. Step 2: Convert to fraction form
    568,332,142.20/852,498,245.70 = 137,510,638.20/x
  3. Step 3: Cross multiply
    568,332,142.20x = 852,498,245.70 × 137,510,638.20
  4. Step 4: Simplify right side
    568,332,142.20x = 117,227,577,830,587,408
  5. Step 5: Solve for x
    x = 117,227,577,830,587,408/568,332,142.20
  6. Step 6: Final answer
    x = 206,265,965.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.