Home / 312,870,786.57-469,324,114.47-82,833,893.73

Finding the Fourth Proportional to 312,870,786.57, 469,324,114.47 and 82,833,893.73

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Solution

The fourth proportional to 312,870,786.57, 469,324,114.47 and 82,833,893.73 is: 124,255,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,870,786.57 : 469,324,114.47 = 82,833,893.73 : x
  2. Step 2: Convert to fraction form
    312,870,786.57/469,324,114.47 = 82,833,893.73/x
  3. Step 3: Cross multiply
    312,870,786.57x = 469,324,114.47 × 82,833,893.73
  4. Step 4: Simplify right side
    312,870,786.57x = 38,875,943,822,934,336
  5. Step 5: Solve for x
    x = 38,875,943,822,934,336/312,870,786.57
  6. Step 6: Final answer
    x = 124,255,588.86

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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.