Home / 82,086,636.87-113,252,053.10-47,278,630.47

Finding the Fourth Proportional to 82,086,636.87, 113,252,053.10 and 47,278,630.47

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Solution

The fourth proportional to 82,086,636.87, 113,252,053.10 and 47,278,630.47 is: 65,228,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,086,636.87 : 113,252,053.10 = 47,278,630.47 : x
  2. Step 2: Convert to fraction form
    82,086,636.87/113,252,053.10 = 47,278,630.47/x
  3. Step 3: Cross multiply
    82,086,636.87x = 113,252,053.10 × 47,278,630.47
  4. Step 4: Simplify right side
    82,086,636.87x = 5,354,401,968,247,325
  5. Step 5: Solve for x
    x = 5,354,401,968,247,325/82,086,636.87
  6. Step 6: Final answer
    x = 65,228,667.81

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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.