Home / 69,850,357.92-96,396,398.16-38,910,518.88

Finding the Fourth Proportional to 69,850,357.92, 96,396,398.16 and 38,910,518.88

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Solution

The fourth proportional to 69,850,357.92, 96,396,398.16 and 38,910,518.88 is: 53,698,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,850,357.92 : 96,396,398.16 = 38,910,518.88 : x
  2. Step 2: Convert to fraction form
    69,850,357.92/96,396,398.16 = 38,910,518.88/x
  3. Step 3: Cross multiply
    69,850,357.92x = 96,396,398.16 × 38,910,518.88
  4. Step 4: Simplify right side
    69,850,357.92x = 3,750,833,870,568,677.50
  5. Step 5: Solve for x
    x = 3,750,833,870,568,677.50/69,850,357.92
  6. Step 6: Final answer
    x = 53,698,133.87

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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.