Home / 251,983,634.66-347,719,659.05-140,469,542.79

Finding the Fourth Proportional to 251,983,634.66, 347,719,659.05 and 140,469,542.79

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Solution

The fourth proportional to 251,983,634.66, 347,719,659.05 and 140,469,542.79 is: 193,838,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,983,634.66 : 347,719,659.05 = 140,469,542.79 : x
  2. Step 2: Convert to fraction form
    251,983,634.66/347,719,659.05 = 140,469,542.79/x
  3. Step 3: Cross multiply
    251,983,634.66x = 347,719,659.05 × 140,469,542.79
  4. Step 4: Simplify right side
    251,983,634.66x = 48,844,021,525,145,840
  5. Step 5: Solve for x
    x = 48,844,021,525,145,840/251,983,634.66
  6. Step 6: Final answer
    x = 193,838,070.44

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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.