Home / 77,874,789.94-116,729,811.34-29,331,640.60

Finding the Fourth Proportional to 77,874,789.94, 116,729,811.34 and 29,331,640.60

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Solution

The fourth proportional to 77,874,789.94, 116,729,811.34 and 29,331,640.60 is: 43,966,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,874,789.94 : 116,729,811.34 = 29,331,640.60 : x
  2. Step 2: Convert to fraction form
    77,874,789.94/116,729,811.34 = 29,331,640.60/x
  3. Step 3: Cross multiply
    77,874,789.94x = 116,729,811.34 × 29,331,640.60
  4. Step 4: Simplify right side
    77,874,789.94x = 3,423,876,873,530,684.50
  5. Step 5: Solve for x
    x = 3,423,876,873,530,684.50/77,874,789.94
  6. Step 6: Final answer
    x = 43,966,434.79

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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.