Home / 81,269,091.20-112,119,418.68-46,443,098

Finding the Fourth Proportional to 81,269,091.20, 112,119,418.68 and 46,443,098

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Solution

The fourth proportional to 81,269,091.20, 112,119,418.68 and 46,443,098 is: 64,073,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,269,091.20 : 112,119,418.68 = 46,443,098 : x
  2. Step 2: Convert to fraction form
    81,269,091.20/112,119,418.68 = 46,443,098/x
  3. Step 3: Cross multiply
    81,269,091.20x = 112,119,418.68 × 46,443,098
  4. Step 4: Simplify right side
    81,269,091.20x = 5,207,173,149,458,271
  5. Step 5: Solve for x
    x = 5,207,173,149,458,271/81,269,091.20
  6. Step 6: Final answer
    x = 64,073,229.72

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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.