Home / 253,178,738.92-379,765,975.01-197,893,076.92

Finding the Fourth Proportional to 253,178,738.92, 379,765,975.01 and 197,893,076.92

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Solution

The fourth proportional to 253,178,738.92, 379,765,975.01 and 197,893,076.92 is: 296,837,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,178,738.92 : 379,765,975.01 = 197,893,076.92 : x
  2. Step 2: Convert to fraction form
    253,178,738.92/379,765,975.01 = 197,893,076.92/x
  3. Step 3: Cross multiply
    253,178,738.92x = 379,765,975.01 × 197,893,076.92
  4. Step 4: Simplify right side
    253,178,738.92x = 75,153,057,304,252,720
  5. Step 5: Solve for x
    x = 75,153,057,304,252,720/253,178,738.92
  6. Step 6: Final answer
    x = 296,837,947.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.