Home / 57,477,146.58-79,422,217.20-40,928,540.94

Finding the Fourth Proportional to 57,477,146.58, 79,422,217.20 and 40,928,540.94

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Solution

The fourth proportional to 57,477,146.58, 79,422,217.20 and 40,928,540.94 is: 56,555,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,477,146.58 : 79,422,217.20 = 40,928,540.94 : x
  2. Step 2: Convert to fraction form
    57,477,146.58/79,422,217.20 = 40,928,540.94/x
  3. Step 3: Cross multiply
    57,477,146.58x = 79,422,217.20 × 40,928,540.94
  4. Step 4: Simplify right side
    57,477,146.58x = 3,250,635,468,215,772
  5. Step 5: Solve for x
    x = 3,250,635,468,215,772/57,477,146.58
  6. Step 6: Final answer
    x = 56,555,268.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.