Home / 163,313,998.20-244,970,997.30-42,145,450.20

Finding the Fourth Proportional to 163,313,998.20, 244,970,997.30 and 42,145,450.20

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Solution

The fourth proportional to 163,313,998.20, 244,970,997.30 and 42,145,450.20 is: 63,218,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,313,998.20 : 244,970,997.30 = 42,145,450.20 : x
  2. Step 2: Convert to fraction form
    163,313,998.20/244,970,997.30 = 42,145,450.20/x
  3. Step 3: Cross multiply
    163,313,998.20x = 244,970,997.30 × 42,145,450.20
  4. Step 4: Simplify right side
    163,313,998.20x = 10,324,412,967,151,486
  5. Step 5: Solve for x
    x = 10,324,412,967,151,486/163,313,998.20
  6. Step 6: Final answer
    x = 63,218,175.30

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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.