Home / 109,512,110.60-164,268,165.90-66,429,960.20

Finding the Fourth Proportional to 109,512,110.60, 164,268,165.90 and 66,429,960.20

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Solution

The fourth proportional to 109,512,110.60, 164,268,165.90 and 66,429,960.20 is: 99,644,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512,110.60 : 164,268,165.90 = 66,429,960.20 : x
  2. Step 2: Convert to fraction form
    109,512,110.60/164,268,165.90 = 66,429,960.20/x
  3. Step 3: Cross multiply
    109,512,110.60x = 164,268,165.90 × 66,429,960.20
  4. Step 4: Simplify right side
    109,512,110.60x = 10,912,327,722,863,998
  5. Step 5: Solve for x
    x = 10,912,327,722,863,998/109,512,110.60
  6. Step 6: Final answer
    x = 99,644,940.30

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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.