Home / 299,336,784.30-449,173,138.05-126,784,233.90

Finding the Fourth Proportional to 299,336,784.30, 449,173,138.05 and 126,784,233.90

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Solution

The fourth proportional to 299,336,784.30, 449,173,138.05 and 126,784,233.90 is: 190,247,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,336,784.30 : 449,173,138.05 = 126,784,233.90 : x
  2. Step 2: Convert to fraction form
    299,336,784.30/449,173,138.05 = 126,784,233.90/x
  3. Step 3: Cross multiply
    299,336,784.30x = 449,173,138.05 × 126,784,233.90
  4. Step 4: Simplify right side
    299,336,784.30x = 56,948,072,196,128,192
  5. Step 5: Solve for x
    x = 56,948,072,196,128,192/299,336,784.30
  6. Step 6: Final answer
    x = 190,247,491.06

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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.