Home / 271,149,073.65-374,185,962.75-147,389,750.78

Finding the Fourth Proportional to 271,149,073.65, 374,185,962.75 and 147,389,750.78

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Solution

The fourth proportional to 271,149,073.65, 374,185,962.75 and 147,389,750.78 is: 203,397,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,149,073.65 : 374,185,962.75 = 147,389,750.78 : x
  2. Step 2: Convert to fraction form
    271,149,073.65/374,185,962.75 = 147,389,750.78/x
  3. Step 3: Cross multiply
    271,149,073.65x = 374,185,962.75 × 147,389,750.78
  4. Step 4: Simplify right side
    271,149,073.65x = 55,151,175,793,225,936
  5. Step 5: Solve for x
    x = 55,151,175,793,225,936/271,149,073.65
  6. Step 6: Final answer
    x = 203,397,987.13

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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.