Home / 76,494,989.70-105,560,006.13-41,686,932.78

Finding the Fourth Proportional to 76,494,989.70, 105,560,006.13 and 41,686,932.78

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Solution

The fourth proportional to 76,494,989.70, 105,560,006.13 and 41,686,932.78 is: 57,526,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494,989.70 : 105,560,006.13 = 41,686,932.78 : x
  2. Step 2: Convert to fraction form
    76,494,989.70/105,560,006.13 = 41,686,932.78/x
  3. Step 3: Cross multiply
    76,494,989.70x = 105,560,006.13 × 41,686,932.78
  4. Step 4: Simplify right side
    76,494,989.70x = 4,400,472,879,797,698
  5. Step 5: Solve for x
    x = 4,400,472,879,797,698/76,494,989.70
  6. Step 6: Final answer
    x = 57,526,288.94

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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.