Home / 271,149,072.90-374,185,961.72-147,389,750.03

Finding the Fourth Proportional to 271,149,072.90, 374,185,961.72 and 147,389,750.03

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Solution

The fourth proportional to 271,149,072.90, 374,185,961.72 and 147,389,750.03 is: 203,397,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,149,072.90 : 374,185,961.72 = 147,389,750.03 : x
  2. Step 2: Convert to fraction form
    271,149,072.90/374,185,961.72 = 147,389,750.03/x
  3. Step 3: Cross multiply
    271,149,072.90x = 374,185,961.72 × 147,389,750.03
  4. Step 4: Simplify right side
    271,149,072.90x = 55,151,175,360,038,072
  5. Step 5: Solve for x
    x = 55,151,175,360,038,072/271,149,072.90
  6. Step 6: Final answer
    x = 203,397,986.10

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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.