Home / 109,726,201.20-164,589,301.80-45,076,403.55

Finding the Fourth Proportional to 109,726,201.20, 164,589,301.80 and 45,076,403.55

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Solution

The fourth proportional to 109,726,201.20, 164,589,301.80 and 45,076,403.55 is: 67,614,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,726,201.20 : 164,589,301.80 = 45,076,403.55 : x
  2. Step 2: Convert to fraction form
    109,726,201.20/164,589,301.80 = 45,076,403.55/x
  3. Step 3: Cross multiply
    109,726,201.20x = 164,589,301.80 × 45,076,403.55
  4. Step 4: Simplify right side
    109,726,201.20x = 7,419,093,787,949,541
  5. Step 5: Solve for x
    x = 7,419,093,787,949,541/109,726,201.20
  6. Step 6: Final answer
    x = 67,614,605.33

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Similar ratio
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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.