Home / 231,795,326.20-347,692,989.30-194,381,879.80

Finding the Fourth Proportional to 231,795,326.20, 347,692,989.30 and 194,381,879.80

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Solution

The fourth proportional to 231,795,326.20, 347,692,989.30 and 194,381,879.80 is: 291,572,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,795,326.20 : 347,692,989.30 = 194,381,879.80 : x
  2. Step 2: Convert to fraction form
    231,795,326.20/347,692,989.30 = 194,381,879.80/x
  3. Step 3: Cross multiply
    231,795,326.20x = 347,692,989.30 × 194,381,879.80
  4. Step 4: Simplify right side
    231,795,326.20x = 67,585,216,853,415,296
  5. Step 5: Solve for x
    x = 67,585,216,853,415,296/231,795,326.20
  6. Step 6: Final answer
    x = 291,572,819.70

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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.