Home / 86,644,615.60-130,008,961.30-38,116,163.85

Finding the Fourth Proportional to 86,644,615.60, 130,008,961.30 and 38,116,163.85

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Solution

The fourth proportional to 86,644,615.60, 130,008,961.30 and 38,116,163.85 is: 57,192,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,644,615.60 : 130,008,961.30 = 38,116,163.85 : x
  2. Step 2: Convert to fraction form
    86,644,615.60/130,008,961.30 = 38,116,163.85/x
  3. Step 3: Cross multiply
    86,644,615.60x = 130,008,961.30 × 38,116,163.85
  4. Step 4: Simplify right side
    86,644,615.60x = 4,955,442,870,879,109
  5. Step 5: Solve for x
    x = 4,955,442,870,879,109/86,644,615.60
  6. Step 6: Final answer
    x = 57,192,738.83

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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.