Home / 248,469,238.96-342,902,890.56-136,959,828.28

Finding the Fourth Proportional to 248,469,238.96, 342,902,890.56 and 136,959,828.28

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Solution

The fourth proportional to 248,469,238.96, 342,902,890.56 and 136,959,828.28 is: 189,013,019.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,469,238.96 : 342,902,890.56 = 136,959,828.28 : x
  2. Step 2: Convert to fraction form
    248,469,238.96/342,902,890.56 = 136,959,828.28/x
  3. Step 3: Cross multiply
    248,469,238.96x = 342,902,890.56 × 136,959,828.28
  4. Step 4: Simplify right side
    248,469,238.96x = 46,963,921,007,813,232
  5. Step 5: Solve for x
    x = 46,963,921,007,813,232/248,469,238.96
  6. Step 6: Final answer
    x = 189,013,019.09

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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.