Home / 82,512,655.25-113,842,633.01-49,460,844.78

Finding the Fourth Proportional to 82,512,655.25, 113,842,633.01 and 49,460,844.78

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Solution

The fourth proportional to 82,512,655.25, 113,842,633.01 and 49,460,844.78 is: 68,241,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,512,655.25 : 113,842,633.01 = 49,460,844.78 : x
  2. Step 2: Convert to fraction form
    82,512,655.25/113,842,633.01 = 49,460,844.78/x
  3. Step 3: Cross multiply
    82,512,655.25x = 113,842,633.01 × 49,460,844.78
  4. Step 4: Simplify right side
    82,512,655.25x = 5,630,752,800,245,856
  5. Step 5: Solve for x
    x = 5,630,752,800,245,856/82,512,655.25
  6. Step 6: Final answer
    x = 68,241,081.12

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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.