Home / 253,213,353.72-379,766,886.48-71,418,016.44

Finding the Fourth Proportional to 253,213,353.72, 379,766,886.48 and 71,418,016.44

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Solution

The fourth proportional to 253,213,353.72, 379,766,886.48 and 71,418,016.44 is: 107,112,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,213,353.72 : 379,766,886.48 = 71,418,016.44 : x
  2. Step 2: Convert to fraction form
    253,213,353.72/379,766,886.48 = 71,418,016.44/x
  3. Step 3: Cross multiply
    253,213,353.72x = 379,766,886.48 × 71,418,016.44
  4. Step 4: Simplify right side
    253,213,353.72x = 27,122,197,741,996,256
  5. Step 5: Solve for x
    x = 27,122,197,741,996,256/253,213,353.72
  6. Step 6: Final answer
    x = 107,112,035.54

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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.