Home / 271,936,440.78-375,260,553.64-154,461,405.30

Finding the Fourth Proportional to 271,936,440.78, 375,260,553.64 and 154,461,405.30

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Solution

The fourth proportional to 271,936,440.78, 375,260,553.64 and 154,461,405.30 is: 213,150,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,936,440.78 : 375,260,553.64 = 154,461,405.30 : x
  2. Step 2: Convert to fraction form
    271,936,440.78/375,260,553.64 = 154,461,405.30/x
  3. Step 3: Cross multiply
    271,936,440.78x = 375,260,553.64 × 154,461,405.30
  4. Step 4: Simplify right side
    271,936,440.78x = 57,963,272,468,890,432
  5. Step 5: Solve for x
    x = 57,963,272,468,890,432/271,936,440.78
  6. Step 6: Final answer
    x = 213,150,073.98

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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.