Home / 311,045,912.80-466,568,869.20-119,569,688.80

Finding the Fourth Proportional to 311,045,912.80, 466,568,869.20 and 119,569,688.80

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Solution

The fourth proportional to 311,045,912.80, 466,568,869.20 and 119,569,688.80 is: 179,354,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,045,912.80 : 466,568,869.20 = 119,569,688.80 : x
  2. Step 2: Convert to fraction form
    311,045,912.80/466,568,869.20 = 119,569,688.80/x
  3. Step 3: Cross multiply
    311,045,912.80x = 466,568,869.20 × 119,569,688.80
  4. Step 4: Simplify right side
    311,045,912.80x = 55,787,494,494,011,904
  5. Step 5: Solve for x
    x = 55,787,494,494,011,904/311,045,912.80
  6. Step 6: Final answer
    x = 179,354,533.20

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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.