Home / 268,620,584.57-403,013,108.75-137,555,658.94

Finding the Fourth Proportional to 268,620,584.57, 403,013,108.75 and 137,555,658.94

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Solution

The fourth proportional to 268,620,584.57, 403,013,108.75 and 137,555,658.94 is: 206,375,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,620,584.57 : 403,013,108.75 = 137,555,658.94 : x
  2. Step 2: Convert to fraction form
    268,620,584.57/403,013,108.75 = 137,555,658.94/x
  3. Step 3: Cross multiply
    268,620,584.57x = 403,013,108.75 × 137,555,658.94
  4. Step 4: Simplify right side
    268,620,584.57x = 55,436,733,732,861,288
  5. Step 5: Solve for x
    x = 55,436,733,732,861,288/268,620,584.57
  6. Step 6: Final answer
    x = 206,375,597.84

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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.