Home / 248,469,222.56-342,902,867.94-136,959,811.87

Finding the Fourth Proportional to 248,469,222.56, 342,902,867.94 and 136,959,811.87

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Solution

The fourth proportional to 248,469,222.56, 342,902,867.94 and 136,959,811.87 is: 189,012,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,469,222.56 : 342,902,867.94 = 136,959,811.87 : x
  2. Step 2: Convert to fraction form
    248,469,222.56/342,902,867.94 = 136,959,811.87/x
  3. Step 3: Cross multiply
    248,469,222.56x = 342,902,867.94 × 136,959,811.87
  4. Step 4: Simplify right side
    248,469,222.56x = 46,963,912,281,888,600
  5. Step 5: Solve for x
    x = 46,963,912,281,888,600/248,469,222.56
  6. Step 6: Final answer
    x = 189,012,996.45

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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.