Home / 271,149,072.40-374,185,961.03-147,389,749.53

Finding the Fourth Proportional to 271,149,072.40, 374,185,961.03 and 147,389,749.53

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Solution

The fourth proportional to 271,149,072.40, 374,185,961.03 and 147,389,749.53 is: 203,397,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,149,072.40 : 374,185,961.03 = 147,389,749.53 : x
  2. Step 2: Convert to fraction form
    271,149,072.40/374,185,961.03 = 147,389,749.53/x
  3. Step 3: Cross multiply
    271,149,072.40x = 374,185,961.03 × 147,389,749.53
  4. Step 4: Simplify right side
    271,149,072.40x = 55,151,175,073,854,040
  5. Step 5: Solve for x
    x = 55,151,175,073,854,040/271,149,072.40
  6. Step 6: Final answer
    x = 203,397,985.42

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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.