Home / 231,204,172.56-347,102,211.27-198,623,185.76

Finding the Fourth Proportional to 231,204,172.56, 347,102,211.27 and 198,623,185.76

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Solution

The fourth proportional to 231,204,172.56, 347,102,211.27 and 198,623,185.76 is: 298,189,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,204,172.56 : 347,102,211.27 = 198,623,185.76 : x
  2. Step 2: Convert to fraction form
    231,204,172.56/347,102,211.27 = 198,623,185.76/x
  3. Step 3: Cross multiply
    231,204,172.56x = 347,102,211.27 × 198,623,185.76
  4. Step 4: Simplify right side
    231,204,172.56x = 68,942,546,985,052,456
  5. Step 5: Solve for x
    x = 68,942,546,985,052,456/231,204,172.56
  6. Step 6: Final answer
    x = 298,189,025.84

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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.