Home / 187,683,540.80-281,525,311.20-126,302,105.30

Finding the Fourth Proportional to 187,683,540.80, 281,525,311.20 and 126,302,105.30

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Solution

The fourth proportional to 187,683,540.80, 281,525,311.20 and 126,302,105.30 is: 189,453,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,683,540.80 : 281,525,311.20 = 126,302,105.30 : x
  2. Step 2: Convert to fraction form
    187,683,540.80/281,525,311.20 = 126,302,105.30/x
  3. Step 3: Cross multiply
    187,683,540.80x = 281,525,311.20 × 126,302,105.30
  4. Step 4: Simplify right side
    187,683,540.80x = 35,557,239,499,797,668
  5. Step 5: Solve for x
    x = 35,557,239,499,797,668/187,683,540.80
  6. Step 6: Final answer
    x = 189,453,157.95

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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.