Home / 166,332,883.73-229,530,081.15-90,964,327.05

Finding the Fourth Proportional to 166,332,883.73, 229,530,081.15 and 90,964,327.05

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Solution

The fourth proportional to 166,332,883.73, 229,530,081.15 and 90,964,327.05 is: 125,525,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,332,883.73 : 229,530,081.15 = 90,964,327.05 : x
  2. Step 2: Convert to fraction form
    166,332,883.73/229,530,081.15 = 90,964,327.05/x
  3. Step 3: Cross multiply
    166,332,883.73x = 229,530,081.15 × 90,964,327.05
  4. Step 4: Simplify right side
    166,332,883.73x = 20,879,049,369,541,640
  5. Step 5: Solve for x
    x = 20,879,049,369,541,640/166,332,883.73
  6. Step 6: Final answer
    x = 125,525,686.21

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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.