Home / 226,399,236.21-312,429,067.86-127,280,425.43

Finding the Fourth Proportional to 226,399,236.21, 312,429,067.86 and 127,280,425.43

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Solution

The fourth proportional to 226,399,236.21, 312,429,067.86 and 127,280,425.43 is: 175,645,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,399,236.21 : 312,429,067.86 = 127,280,425.43 : x
  2. Step 2: Convert to fraction form
    226,399,236.21/312,429,067.86 = 127,280,425.43/x
  3. Step 3: Cross multiply
    226,399,236.21x = 312,429,067.86 × 127,280,425.43
  4. Step 4: Simplify right side
    226,399,236.21x = 39,766,104,673,919,144
  5. Step 5: Solve for x
    x = 39,766,104,673,919,144/226,399,236.21
  6. Step 6: Final answer
    x = 175,645,931.23

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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.