Home / 40,978,049.70-61,467,074.55-38,626,587.30

Finding the Fourth Proportional to 40,978,049.70, 61,467,074.55 and 38,626,587.30

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Solution

The fourth proportional to 40,978,049.70, 61,467,074.55 and 38,626,587.30 is: 57,939,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,978,049.70 : 61,467,074.55 = 38,626,587.30 : x
  2. Step 2: Convert to fraction form
    40,978,049.70/61,467,074.55 = 38,626,587.30/x
  3. Step 3: Cross multiply
    40,978,049.70x = 61,467,074.55 × 38,626,587.30
  4. Step 4: Simplify right side
    40,978,049.70x = 2,374,263,321,181,183
  5. Step 5: Solve for x
    x = 2,374,263,321,181,183/40,978,049.70
  6. Step 6: Final answer
    x = 57,939,880.95

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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.