Home / 149,590,171.68-206,489,524.56-90,054,236.04

Finding the Fourth Proportional to 149,590,171.68, 206,489,524.56 and 90,054,236.04

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Solution

The fourth proportional to 149,590,171.68, 206,489,524.56 and 90,054,236.04 is: 124,308,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,590,171.68 : 206,489,524.56 = 90,054,236.04 : x
  2. Step 2: Convert to fraction form
    149,590,171.68/206,489,524.56 = 90,054,236.04/x
  3. Step 3: Cross multiply
    149,590,171.68x = 206,489,524.56 × 90,054,236.04
  4. Step 4: Simplify right side
    149,590,171.68x = 18,595,256,384,513,620
  5. Step 5: Solve for x
    x = 18,595,256,384,513,620/149,590,171.68
  6. Step 6: Final answer
    x = 124,308,008.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.