Home / 43,494,648.55-65,198,878.24-20,424,284.84

Finding the Fourth Proportional to 43,494,648.55, 65,198,878.24 and 20,424,284.84

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Solution

The fourth proportional to 43,494,648.55, 65,198,878.24 and 20,424,284.84 is: 30,616,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,494,648.55 : 65,198,878.24 = 20,424,284.84 : x
  2. Step 2: Convert to fraction form
    43,494,648.55/65,198,878.24 = 20,424,284.84/x
  3. Step 3: Cross multiply
    43,494,648.55x = 65,198,878.24 × 20,424,284.84
  4. Step 4: Simplify right side
    43,494,648.55x = 1,331,640,460,534,174.50
  5. Step 5: Solve for x
    x = 1,331,640,460,534,174.50/43,494,648.55
  6. Step 6: Final answer
    x = 30,616,190.84

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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.