Home / 299,385,833.20-449,078,749.80-135,702,005.20

Finding the Fourth Proportional to 299,385,833.20, 449,078,749.80 and 135,702,005.20

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Solution

The fourth proportional to 299,385,833.20, 449,078,749.80 and 135,702,005.20 is: 203,553,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,385,833.20 : 449,078,749.80 = 135,702,005.20 : x
  2. Step 2: Convert to fraction form
    299,385,833.20/449,078,749.80 = 135,702,005.20/x
  3. Step 3: Cross multiply
    299,385,833.20x = 449,078,749.80 × 135,702,005.20
  4. Step 4: Simplify right side
    299,385,833.20x = 60,940,886,840,569,096
  5. Step 5: Solve for x
    x = 60,940,886,840,569,096/299,385,833.20
  6. Step 6: Final answer
    x = 203,553,007.80

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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.