Home / 197,770,828.03-272,910,439.01-109,661,563.88

Finding the Fourth Proportional to 197,770,828.03, 272,910,439.01 and 109,661,563.88

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Solution

The fourth proportional to 197,770,828.03, 272,910,439.01 and 109,661,563.88 is: 151,325,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,770,828.03 : 272,910,439.01 = 109,661,563.88 : x
  2. Step 2: Convert to fraction form
    197,770,828.03/272,910,439.01 = 109,661,563.88/x
  3. Step 3: Cross multiply
    197,770,828.03x = 272,910,439.01 × 109,661,563.88
  4. Step 4: Simplify right side
    197,770,828.03x = 29,927,785,540,946,972
  5. Step 5: Solve for x
    x = 29,927,785,540,946,972/197,770,828.03
  6. Step 6: Final answer
    x = 151,325,581.43

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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.