Home / 82,120,540.96-113,318,667.44-49,074,232.24

Finding the Fourth Proportional to 82,120,540.96, 113,318,667.44 and 49,074,232.24

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Solution

The fourth proportional to 82,120,540.96, 113,318,667.44 and 49,074,232.24 is: 67,717,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,120,540.96 : 113,318,667.44 = 49,074,232.24 : x
  2. Step 2: Convert to fraction form
    82,120,540.96/113,318,667.44 = 49,074,232.24/x
  3. Step 3: Cross multiply
    82,120,540.96x = 113,318,667.44 × 49,074,232.24
  4. Step 4: Simplify right side
    82,120,540.96x = 5,561,026,603,077,886
  5. Step 5: Solve for x
    x = 5,561,026,603,077,886/82,120,540.96
  6. Step 6: Final answer
    x = 67,717,851.56

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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.