Home / 129,825,882.22-194,429,689.50-75,123,183.87

Finding the Fourth Proportional to 129,825,882.22, 194,429,689.50 and 75,123,183.87

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Solution

The fourth proportional to 129,825,882.22, 194,429,689.50 and 75,123,183.87 is: 112,505,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,825,882.22 : 194,429,689.50 = 75,123,183.87 : x
  2. Step 2: Convert to fraction form
    129,825,882.22/194,429,689.50 = 75,123,183.87/x
  3. Step 3: Cross multiply
    129,825,882.22x = 194,429,689.50 × 75,123,183.87
  4. Step 4: Simplify right side
    129,825,882.22x = 14,606,177,314,095,510
  5. Step 5: Solve for x
    x = 14,606,177,314,095,510/129,825,882.22
  6. Step 6: Final answer
    x = 112,505,896.85

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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.