Home / 251,399,682.57-347,090,959.14-172,147,367.73

Finding the Fourth Proportional to 251,399,682.57, 347,090,959.14 and 172,147,367.73

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Solution

The fourth proportional to 251,399,682.57, 347,090,959.14 and 172,147,367.73 is: 237,672,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,399,682.57 : 347,090,959.14 = 172,147,367.73 : x
  2. Step 2: Convert to fraction form
    251,399,682.57/347,090,959.14 = 172,147,367.73/x
  3. Step 3: Cross multiply
    251,399,682.57x = 347,090,959.14 × 172,147,367.73
  4. Step 4: Simplify right side
    251,399,682.57x = 59,750,794,978,831,976
  5. Step 5: Solve for x
    x = 59,750,794,978,831,976/251,399,682.57
  6. Step 6: Final answer
    x = 237,672,515.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.