Home / 231,795,328.20-347,692,992.30-194,381,881.80

Finding the Fourth Proportional to 231,795,328.20, 347,692,992.30 and 194,381,881.80

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Solution

The fourth proportional to 231,795,328.20, 347,692,992.30 and 194,381,881.80 is: 291,572,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,795,328.20 : 347,692,992.30 = 194,381,881.80 : x
  2. Step 2: Convert to fraction form
    231,795,328.20/347,692,992.30 = 194,381,881.80/x
  3. Step 3: Cross multiply
    231,795,328.20x = 347,692,992.30 × 194,381,881.80
  4. Step 4: Simplify right side
    231,795,328.20x = 67,585,218,131,946,920
  5. Step 5: Solve for x
    x = 67,585,218,131,946,920/231,795,328.20
  6. Step 6: Final answer
    x = 291,572,822.70

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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.