Home / 76,691,299.94-105,836,605.58-45,356,209.97

Finding the Fourth Proportional to 76,691,299.94, 105,836,605.58 and 45,356,209.97

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Solution

The fourth proportional to 76,691,299.94, 105,836,605.58 and 45,356,209.97 is: 62,593,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,299.94 : 105,836,605.58 = 45,356,209.97 : x
  2. Step 2: Convert to fraction form
    76,691,299.94/105,836,605.58 = 45,356,209.97/x
  3. Step 3: Cross multiply
    76,691,299.94x = 105,836,605.58 × 45,356,209.97
  4. Step 4: Simplify right side
    76,691,299.94x = 4,800,347,304,442,590
  5. Step 5: Solve for x
    x = 4,800,347,304,442,590/76,691,299.94
  6. Step 6: Final answer
    x = 62,593,114.32

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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.