Home / 161,783,998.20-242,675,997.30-71,084,734.20

Finding the Fourth Proportional to 161,783,998.20, 242,675,997.30 and 71,084,734.20

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Solution

The fourth proportional to 161,783,998.20, 242,675,997.30 and 71,084,734.20 is: 106,627,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,783,998.20 : 242,675,997.30 = 71,084,734.20 : x
  2. Step 2: Convert to fraction form
    161,783,998.20/242,675,997.30 = 71,084,734.20/x
  3. Step 3: Cross multiply
    161,783,998.20x = 242,675,997.30 × 71,084,734.20
  4. Step 4: Simplify right side
    161,783,998.20x = 17,250,558,764,790,420
  5. Step 5: Solve for x
    x = 17,250,558,764,790,420/161,783,998.20
  6. Step 6: Final answer
    x = 106,627,101.30

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Similar ratio
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1.5x scale

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.