Home / 299,231,636.40-448,091,627.40-196,439,137.20

Finding the Fourth Proportional to 299,231,636.40, 448,091,627.40 and 196,439,137.20

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Solution

The fourth proportional to 299,231,636.40, 448,091,627.40 and 196,439,137.20 is: 294,162,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,231,636.40 : 448,091,627.40 = 196,439,137.20 : x
  2. Step 2: Convert to fraction form
    299,231,636.40/448,091,627.40 = 196,439,137.20/x
  3. Step 3: Cross multiply
    299,231,636.40x = 448,091,627.40 × 196,439,137.20
  4. Step 4: Simplify right side
    299,231,636.40x = 88,022,732,672,999,872
  5. Step 5: Solve for x
    x = 88,022,732,672,999,872/299,231,636.40
  6. Step 6: Final answer
    x = 294,162,521.49

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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.