Home / 60,419,100.40-90,416,074.20-55,317,266.80

Finding the Fourth Proportional to 60,419,100.40, 90,416,074.20 and 55,317,266.80

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Solution

The fourth proportional to 60,419,100.40, 90,416,074.20 and 55,317,266.80 is: 82,781,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,419,100.40 : 90,416,074.20 = 55,317,266.80 : x
  2. Step 2: Convert to fraction form
    60,419,100.40/90,416,074.20 = 55,317,266.80/x
  3. Step 3: Cross multiply
    60,419,100.40x = 90,416,074.20 × 55,317,266.80
  4. Step 4: Simplify right side
    60,419,100.40x = 5,001,570,099,529,996
  5. Step 5: Solve for x
    x = 5,001,570,099,529,996/60,419,100.40
  6. Step 6: Final answer
    x = 82,781,273.91

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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.