Home / 193,936,809.78-267,638,486.31-105,836,496.48

Finding the Fourth Proportional to 193,936,809.78, 267,638,486.31 and 105,836,496.48

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Solution

The fourth proportional to 193,936,809.78, 267,638,486.31 and 105,836,496.48 is: 146,057,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,936,809.78 : 267,638,486.31 = 105,836,496.48 : x
  2. Step 2: Convert to fraction form
    193,936,809.78/267,638,486.31 = 105,836,496.48/x
  3. Step 3: Cross multiply
    193,936,809.78x = 267,638,486.31 × 105,836,496.48
  4. Step 4: Simplify right side
    193,936,809.78x = 28,325,919,714,260,844
  5. Step 5: Solve for x
    x = 28,325,919,714,260,844/193,936,809.78
  6. Step 6: Final answer
    x = 146,057,469.68

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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.