Home / 299,333,877.20-449,252,758.20-146,110,907.60

Finding the Fourth Proportional to 299,333,877.20, 449,252,758.20 and 146,110,907.60

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Solution

The fourth proportional to 299,333,877.20, 449,252,758.20 and 146,110,907.60 is: 219,289,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,333,877.20 : 449,252,758.20 = 146,110,907.60 : x
  2. Step 2: Convert to fraction form
    299,333,877.20/449,252,758.20 = 146,110,907.60/x
  3. Step 3: Cross multiply
    299,333,877.20x = 449,252,758.20 × 146,110,907.60
  4. Step 4: Simplify right side
    299,333,877.20x = 65,640,728,242,405,336
  5. Step 5: Solve for x
    x = 65,640,728,242,405,336/299,333,877.20
  6. Step 6: Final answer
    x = 219,289,339.57

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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.