Home / 54,683,422.20-82,056,626.10-20,629,207.80

Finding the Fourth Proportional to 54,683,422.20, 82,056,626.10 and 20,629,207.80

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Solution

The fourth proportional to 54,683,422.20, 82,056,626.10 and 20,629,207.80 is: 30,955,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683,422.20 : 82,056,626.10 = 20,629,207.80 : x
  2. Step 2: Convert to fraction form
    54,683,422.20/82,056,626.10 = 20,629,207.80/x
  3. Step 3: Cross multiply
    54,683,422.20x = 82,056,626.10 × 20,629,207.80
  4. Step 4: Simplify right side
    54,683,422.20x = 1,692,763,191,183,803.50
  5. Step 5: Solve for x
    x = 1,692,763,191,183,803.50/54,683,422.20
  6. Step 6: Final answer
    x = 30,955,692.29

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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.