Home / 331,775,999.60-497,663,999.40-161,906,687.60

Finding the Fourth Proportional to 331,775,999.60, 497,663,999.40 and 161,906,687.60

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Solution

The fourth proportional to 331,775,999.60, 497,663,999.40 and 161,906,687.60 is: 242,860,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,775,999.60 : 497,663,999.40 = 161,906,687.60 : x
  2. Step 2: Convert to fraction form
    331,775,999.60/497,663,999.40 = 161,906,687.60/x
  3. Step 3: Cross multiply
    331,775,999.60x = 497,663,999.40 × 161,906,687.60
  4. Step 4: Simplify right side
    331,775,999.60x = 80,575,129,680,622,384
  5. Step 5: Solve for x
    x = 80,575,129,680,622,384/331,775,999.60
  6. Step 6: Final answer
    x = 242,860,031.40

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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.