Home / 213,992,620.76-320,887,742.28-82,896,295.61

Finding the Fourth Proportional to 213,992,620.76, 320,887,742.28 and 82,896,295.61

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Solution

The fourth proportional to 213,992,620.76, 320,887,742.28 and 82,896,295.61 is: 124,305,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,992,620.76 : 320,887,742.28 = 82,896,295.61 : x
  2. Step 2: Convert to fraction form
    213,992,620.76/320,887,742.28 = 82,896,295.61/x
  3. Step 3: Cross multiply
    213,992,620.76x = 320,887,742.28 × 82,896,295.61
  4. Step 4: Simplify right side
    213,992,620.76x = 26,600,405,140,063,936
  5. Step 5: Solve for x
    x = 26,600,405,140,063,936/213,992,620.76
  6. Step 6: Final answer
    x = 124,305,244.95

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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.