Home / 85,029,042.62-117,299,665.68-50,198,399.48

Finding the Fourth Proportional to 85,029,042.62, 117,299,665.68 and 50,198,399.48

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Solution

The fourth proportional to 85,029,042.62, 117,299,665.68 and 50,198,399.48 is: 69,249,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,029,042.62 : 117,299,665.68 = 50,198,399.48 : x
  2. Step 2: Convert to fraction form
    85,029,042.62/117,299,665.68 = 50,198,399.48/x
  3. Step 3: Cross multiply
    85,029,042.62x = 117,299,665.68 × 50,198,399.48
  4. Step 4: Simplify right side
    85,029,042.62x = 5,888,255,476,675,086
  5. Step 5: Solve for x
    x = 5,888,255,476,675,086/85,029,042.62
  6. Step 6: Final answer
    x = 69,249,932.67

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1.5x scale

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.