Home / 82,512,656.38-113,842,634.56-49,460,845.91

Finding the Fourth Proportional to 82,512,656.38, 113,842,634.56 and 49,460,845.91

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Solution

The fourth proportional to 82,512,656.38, 113,842,634.56 and 49,460,845.91 is: 68,241,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,512,656.38 : 113,842,634.56 = 49,460,845.91 : x
  2. Step 2: Convert to fraction form
    82,512,656.38/113,842,634.56 = 49,460,845.91/x
  3. Step 3: Cross multiply
    82,512,656.38x = 113,842,634.56 × 49,460,845.91
  4. Step 4: Simplify right side
    82,512,656.38x = 5,630,753,005,391,388
  5. Step 5: Solve for x
    x = 5,630,753,005,391,388/82,512,656.38
  6. Step 6: Final answer
    x = 68,241,082.67

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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.