Home / 43,494,653.55-65,198,885.70-20,424,289.86

Finding the Fourth Proportional to 43,494,653.55, 65,198,885.70 and 20,424,289.86

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Solution

The fourth proportional to 43,494,653.55, 65,198,885.70 and 20,424,289.86 is: 30,616,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,494,653.55 : 65,198,885.70 = 20,424,289.86 : x
  2. Step 2: Convert to fraction form
    43,494,653.55/65,198,885.70 = 20,424,289.86/x
  3. Step 3: Cross multiply
    43,494,653.55x = 65,198,885.70 × 20,424,289.86
  4. Step 4: Simplify right side
    43,494,653.55x = 1,331,640,940,085,809
  5. Step 5: Solve for x
    x = 1,331,640,940,085,809/43,494,653.55
  6. Step 6: Final answer
    x = 30,616,198.35

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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.