Home / 248,469,165.11-342,902,789.03-136,959,754.80

Finding the Fourth Proportional to 248,469,165.11, 342,902,789.03 and 136,959,754.80

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Solution

The fourth proportional to 248,469,165.11, 342,902,789.03 and 136,959,754.80 is: 189,012,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,469,165.11 : 342,902,789.03 = 136,959,754.80 : x
  2. Step 2: Convert to fraction form
    248,469,165.11/342,902,789.03 = 136,959,754.80/x
  3. Step 3: Cross multiply
    248,469,165.11x = 342,902,789.03 × 136,959,754.80
  4. Step 4: Simplify right side
    248,469,165.11x = 46,963,881,905,100,128
  5. Step 5: Solve for x
    x = 46,963,881,905,100,128/248,469,165.11
  6. Step 6: Final answer
    x = 189,012,917.90

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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.