Home / 151,719,632.44-209,373,731.09-82,105,016.74

Finding the Fourth Proportional to 151,719,632.44, 209,373,731.09 and 82,105,016.74

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Solution

The fourth proportional to 151,719,632.44, 209,373,731.09 and 82,105,016.74 is: 113,305,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,719,632.44 : 209,373,731.09 = 82,105,016.74 : x
  2. Step 2: Convert to fraction form
    151,719,632.44/209,373,731.09 = 82,105,016.74/x
  3. Step 3: Cross multiply
    151,719,632.44x = 209,373,731.09 × 82,105,016.74
  4. Step 4: Simplify right side
    151,719,632.44x = 17,190,633,696,060,708
  5. Step 5: Solve for x
    x = 17,190,633,696,060,708/151,719,632.44
  6. Step 6: Final answer
    x = 113,305,268.54

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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.