Home / 108,867,622.20-163,301,433.30-81,993,766.20

Finding the Fourth Proportional to 108,867,622.20, 163,301,433.30 and 81,993,766.20

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Solution

The fourth proportional to 108,867,622.20, 163,301,433.30 and 81,993,766.20 is: 122,990,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,622.20 : 163,301,433.30 = 81,993,766.20 : x
  2. Step 2: Convert to fraction form
    108,867,622.20/163,301,433.30 = 81,993,766.20/x
  3. Step 3: Cross multiply
    108,867,622.20x = 163,301,433.30 × 81,993,766.20
  4. Step 4: Simplify right side
    108,867,622.20x = 13,389,699,542,125,096
  5. Step 5: Solve for x
    x = 13,389,699,542,125,096/108,867,622.20
  6. Step 6: Final answer
    x = 122,990,649.30

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1.5x scale

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.