Home / 76,494,990.70-105,560,007.51-41,686,933.78

Finding the Fourth Proportional to 76,494,990.70, 105,560,007.51 and 41,686,933.78

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Solution

The fourth proportional to 76,494,990.70, 105,560,007.51 and 41,686,933.78 is: 57,526,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494,990.70 : 105,560,007.51 = 41,686,933.78 : x
  2. Step 2: Convert to fraction form
    76,494,990.70/105,560,007.51 = 41,686,933.78/x
  3. Step 3: Cross multiply
    76,494,990.70x = 105,560,007.51 × 41,686,933.78
  4. Step 4: Simplify right side
    76,494,990.70x = 4,400,473,042,885,673
  5. Step 5: Solve for x
    x = 4,400,473,042,885,673/76,494,990.70
  6. Step 6: Final answer
    x = 57,526,290.32

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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.