Home / 151,719,630.44-209,373,728.33-82,105,014.74

Finding the Fourth Proportional to 151,719,630.44, 209,373,728.33 and 82,105,014.74

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Solution

The fourth proportional to 151,719,630.44, 209,373,728.33 and 82,105,014.74 is: 113,305,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,719,630.44 : 209,373,728.33 = 82,105,014.74 : x
  2. Step 2: Convert to fraction form
    151,719,630.44/209,373,728.33 = 82,105,014.74/x
  3. Step 3: Cross multiply
    151,719,630.44x = 209,373,728.33 × 82,105,014.74
  4. Step 4: Simplify right side
    151,719,630.44x = 17,190,633,050,292,878
  5. Step 5: Solve for x
    x = 17,190,633,050,292,878/151,719,630.44
  6. Step 6: Final answer
    x = 113,305,265.78

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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.