Home / 57,505,804.38-79,358,110.20-31,399,765.83

Finding the Fourth Proportional to 57,505,804.38, 79,358,110.20 and 31,399,765.83

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Solution

The fourth proportional to 57,505,804.38, 79,358,110.20 and 31,399,765.83 is: 43,331,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,505,804.38 : 79,358,110.20 = 31,399,765.83 : x
  2. Step 2: Convert to fraction form
    57,505,804.38/79,358,110.20 = 31,399,765.83/x
  3. Step 3: Cross multiply
    57,505,804.38x = 79,358,110.20 × 31,399,765.83
  4. Step 4: Simplify right side
    57,505,804.38x = 2,491,826,076,991,334.50
  5. Step 5: Solve for x
    x = 2,491,826,076,991,334.50/57,505,804.38
  6. Step 6: Final answer
    x = 43,331,731.53

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1.5x scale

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.