Home / 76,616,055.91-105,729,286.17-41,809,338.55

Finding the Fourth Proportional to 76,616,055.91, 105,729,286.17 and 41,809,338.55

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Solution

The fourth proportional to 76,616,055.91, 105,729,286.17 and 41,809,338.55 is: 57,696,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,055.91 : 105,729,286.17 = 41,809,338.55 : x
  2. Step 2: Convert to fraction form
    76,616,055.91/105,729,286.17 = 41,809,338.55/x
  3. Step 3: Cross multiply
    76,616,055.91x = 105,729,286.17 × 41,809,338.55
  4. Step 4: Simplify right side
    76,616,055.91x = 4,420,471,520,131,362.50
  5. Step 5: Solve for x
    x = 4,420,471,520,131,362.50/76,616,055.91
  6. Step 6: Final answer
    x = 57,696,411.90

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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.