Home / 40,978,066.70-61,467,100.05-38,626,604.30

Finding the Fourth Proportional to 40,978,066.70, 61,467,100.05 and 38,626,604.30

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Solution

The fourth proportional to 40,978,066.70, 61,467,100.05 and 38,626,604.30 is: 57,939,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,978,066.70 : 61,467,100.05 = 38,626,604.30 : x
  2. Step 2: Convert to fraction form
    40,978,066.70/61,467,100.05 = 38,626,604.30/x
  3. Step 3: Cross multiply
    40,978,066.70x = 61,467,100.05 × 38,626,604.30
  4. Step 4: Simplify right side
    40,978,066.70x = 2,374,265,351,099,860
  5. Step 5: Solve for x
    x = 2,374,265,351,099,860/40,978,066.70
  6. Step 6: Final answer
    x = 57,939,906.45

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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.