Home / 204,449,299,791.39-306,680,197,343.97-70,141,905,927.72

Finding the Fourth Proportional to 204,449,299,791.39, 306,680,197,343.97 and 70,141,905,927.72

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Solution

The fourth proportional to 204,449,299,791.39, 306,680,197,343.97 and 70,141,905,927.72 is: 105,215,002,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,449,299,791.39 : 306,680,197,343.97 = 70,141,905,927.72 : x
  2. Step 2: Convert to fraction form
    204,449,299,791.39/306,680,197,343.97 = 70,141,905,927.72/x
  3. Step 3: Cross multiply
    204,449,299,791.39x = 306,680,197,343.97 × 70,141,905,927.72
  4. Step 4: Simplify right side
    204,449,299,791.39x = 21,511,133,551,995,348,058,112
  5. Step 5: Solve for x
    x = 21,511,133,551,995,348,058,112/204,449,299,791.39
  6. Step 6: Final answer
    x = 105,215,002,320.60

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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.