Home / 85,407,791.72-117,871,183.14-48,743,848.04

Finding the Fourth Proportional to 85,407,791.72, 117,871,183.14 and 48,743,848.04

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Solution

The fourth proportional to 85,407,791.72, 117,871,183.14 and 48,743,848.04 is: 67,271,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,407,791.72 : 117,871,183.14 = 48,743,848.04 : x
  2. Step 2: Convert to fraction form
    85,407,791.72/117,871,183.14 = 48,743,848.04/x
  3. Step 3: Cross multiply
    85,407,791.72x = 117,871,183.14 × 48,743,848.04
  4. Step 4: Simplify right side
    85,407,791.72x = 5,745,495,039,271,170
  5. Step 5: Solve for x
    x = 5,745,495,039,271,170/85,407,791.72
  6. Step 6: Final answer
    x = 67,271,321.78

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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.