Home / 71,542,665.45-107,313,998.18-17,689,977.45

Finding the Fourth Proportional to 71,542,665.45, 107,313,998.18 and 17,689,977.45

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Solution

The fourth proportional to 71,542,665.45, 107,313,998.18 and 17,689,977.45 is: 26,534,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542,665.45 : 107,313,998.18 = 17,689,977.45 : x
  2. Step 2: Convert to fraction form
    71,542,665.45/107,313,998.18 = 17,689,977.45/x
  3. Step 3: Cross multiply
    71,542,665.45x = 107,313,998.18 × 17,689,977.45
  4. Step 4: Simplify right side
    71,542,665.45x = 1,898,382,207,785,091
  5. Step 5: Solve for x
    x = 1,898,382,207,785,091/71,542,665.45
  6. Step 6: Final answer
    x = 26,534,966.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.