Home / 242,638,010.20-363,957,015.30-161,008,672.60

Finding the Fourth Proportional to 242,638,010.20, 363,957,015.30 and 161,008,672.60

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Solution

The fourth proportional to 242,638,010.20, 363,957,015.30 and 161,008,672.60 is: 241,513,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,638,010.20 : 363,957,015.30 = 161,008,672.60 : x
  2. Step 2: Convert to fraction form
    242,638,010.20/363,957,015.30 = 161,008,672.60/x
  3. Step 3: Cross multiply
    242,638,010.20x = 363,957,015.30 × 161,008,672.60
  4. Step 4: Simplify right side
    242,638,010.20x = 58,600,235,916,910,888
  5. Step 5: Solve for x
    x = 58,600,235,916,910,888/242,638,010.20
  6. Step 6: Final answer
    x = 241,513,008.90

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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.