Home / 43,823,408.20-65,735,112.30-21,098,825.80

Finding the Fourth Proportional to 43,823,408.20, 65,735,112.30 and 21,098,825.80

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Solution

The fourth proportional to 43,823,408.20, 65,735,112.30 and 21,098,825.80 is: 31,648,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,823,408.20 : 65,735,112.30 = 21,098,825.80 : x
  2. Step 2: Convert to fraction form
    43,823,408.20/65,735,112.30 = 21,098,825.80/x
  3. Step 3: Cross multiply
    43,823,408.20x = 65,735,112.30 × 21,098,825.80
  4. Step 4: Simplify right side
    43,823,408.20x = 1,386,933,683,361,137.25
  5. Step 5: Solve for x
    x = 1,386,933,683,361,137.25/43,823,408.20
  6. Step 6: Final answer
    x = 31,648,238.70

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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.