Home / 271,497,100.20-407,245,650.30-98,979,541.80

Finding the Fourth Proportional to 271,497,100.20, 407,245,650.30 and 98,979,541.80

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Solution

The fourth proportional to 271,497,100.20, 407,245,650.30 and 98,979,541.80 is: 148,469,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,497,100.20 : 407,245,650.30 = 98,979,541.80 : x
  2. Step 2: Convert to fraction form
    271,497,100.20/407,245,650.30 = 98,979,541.80/x
  3. Step 3: Cross multiply
    271,497,100.20x = 407,245,650.30 × 98,979,541.80
  4. Step 4: Simplify right side
    271,497,100.20x = 40,308,987,866,737,032
  5. Step 5: Solve for x
    x = 40,308,987,866,737,032/271,497,100.20
  6. Step 6: Final answer
    x = 148,469,312.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.