Home / 117,515,073.80-176,060,034.30-100,508,961.80

Finding the Fourth Proportional to 117,515,073.80, 176,060,034.30 and 100,508,961.80

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Solution

The fourth proportional to 117,515,073.80, 176,060,034.30 and 100,508,961.80 is: 150,581,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515,073.80 : 176,060,034.30 = 100,508,961.80 : x
  2. Step 2: Convert to fraction form
    117,515,073.80/176,060,034.30 = 100,508,961.80/x
  3. Step 3: Cross multiply
    117,515,073.80x = 176,060,034.30 × 100,508,961.80
  4. Step 4: Simplify right side
    117,515,073.80x = 17,695,611,261,965,390
  5. Step 5: Solve for x
    x = 17,695,611,261,965,390/117,515,073.80
  6. Step 6: Final answer
    x = 150,581,629.15

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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.