Home / 90,204,218.76-124,481,903.24-48,951,111.52

Finding the Fourth Proportional to 90,204,218.76, 124,481,903.24 and 48,951,111.52

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Solution

The fourth proportional to 90,204,218.76, 124,481,903.24 and 48,951,111.52 is: 67,552,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,204,218.76 : 124,481,903.24 = 48,951,111.52 : x
  2. Step 2: Convert to fraction form
    90,204,218.76/124,481,903.24 = 48,951,111.52/x
  3. Step 3: Cross multiply
    90,204,218.76x = 124,481,903.24 × 48,951,111.52
  4. Step 4: Simplify right side
    90,204,218.76x = 6,093,527,527,723,089
  5. Step 5: Solve for x
    x = 6,093,527,527,723,089/90,204,218.76
  6. Step 6: Final answer
    x = 67,552,578.04

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Double scale
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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.