Home / 248,901,010.20-373,032,650.70-221,478,654.60

Finding the Fourth Proportional to 248,901,010.20, 373,032,650.70 and 221,478,654.60

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Solution

The fourth proportional to 248,901,010.20, 373,032,650.70 and 221,478,654.60 is: 331,934,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,901,010.20 : 373,032,650.70 = 221,478,654.60 : x
  2. Step 2: Convert to fraction form
    248,901,010.20/373,032,650.70 = 221,478,654.60/x
  3. Step 3: Cross multiply
    248,901,010.20x = 373,032,650.70 × 221,478,654.60
  4. Step 4: Simplify right side
    248,901,010.20x = 82,618,769,598,907,744
  5. Step 5: Solve for x
    x = 82,618,769,598,907,744/248,901,010.20
  6. Step 6: Final answer
    x = 331,934,247.81

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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.