Home / 81,917,972,363.20-122,885,142,736.20-22,227,582,125.20

Finding the Fourth Proportional to 81,917,972,363.20, 122,885,142,736.20 and 22,227,582,125.20

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Solution

The fourth proportional to 81,917,972,363.20, 122,885,142,736.20 and 22,227,582,125.20 is: 33,343,593,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,917,972,363.20 : 122,885,142,736.20 = 22,227,582,125.20 : x
  2. Step 2: Convert to fraction form
    81,917,972,363.20/122,885,142,736.20 = 22,227,582,125.20/x
  3. Step 3: Cross multiply
    81,917,972,363.20x = 122,885,142,736.20 × 22,227,582,125.20
  4. Step 4: Simplify right side
    81,917,972,363.20x = 2,731,439,602,135,809,916,928
  5. Step 5: Solve for x
    x = 2,731,439,602,135,809,916,928/81,917,972,363.20
  6. Step 6: Final answer
    x = 33,343,593,882.25

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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.