Home / 199,115,018.48-274,839,456.84-115,504,278.32

Finding the Fourth Proportional to 199,115,018.48, 274,839,456.84 and 115,504,278.32

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Solution

The fourth proportional to 199,115,018.48, 274,839,456.84 and 115,504,278.32 is: 159,431,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,115,018.48 : 274,839,456.84 = 115,504,278.32 : x
  2. Step 2: Convert to fraction form
    199,115,018.48/274,839,456.84 = 115,504,278.32/x
  3. Step 3: Cross multiply
    199,115,018.48x = 274,839,456.84 × 115,504,278.32
  4. Step 4: Simplify right side
    199,115,018.48x = 31,745,133,116,164,984
  5. Step 5: Solve for x
    x = 31,745,133,116,164,984/199,115,018.48
  6. Step 6: Final answer
    x = 159,431,133.62

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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.