Home / 208,114,219.20-311,835,405.60-173,850,052.80

Finding the Fourth Proportional to 208,114,219.20, 311,835,405.60 and 173,850,052.80

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Solution

The fourth proportional to 208,114,219.20, 311,835,405.60 and 173,850,052.80 is: 260,494,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,114,219.20 : 311,835,405.60 = 173,850,052.80 : x
  2. Step 2: Convert to fraction form
    208,114,219.20/311,835,405.60 = 173,850,052.80/x
  3. Step 3: Cross multiply
    208,114,219.20x = 311,835,405.60 × 173,850,052.80
  4. Step 4: Simplify right side
    208,114,219.20x = 54,212,601,728,469,424
  5. Step 5: Solve for x
    x = 54,212,601,728,469,424/208,114,219.20
  6. Step 6: Final answer
    x = 260,494,462.79

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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.