Home / 311,494,543.53-467,206,123.46-81,485,828.97

Finding the Fourth Proportional to 311,494,543.53, 467,206,123.46 and 81,485,828.97

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Solution

The fourth proportional to 311,494,543.53, 467,206,123.46 and 81,485,828.97 is: 122,219,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,494,543.53 : 467,206,123.46 = 81,485,828.97 : x
  2. Step 2: Convert to fraction form
    311,494,543.53/467,206,123.46 = 81,485,828.97/x
  3. Step 3: Cross multiply
    311,494,543.53x = 467,206,123.46 × 81,485,828.97
  4. Step 4: Simplify right side
    311,494,543.53x = 38,070,678,269,590,832
  5. Step 5: Solve for x
    x = 38,070,678,269,590,832/311,494,543.53
  6. Step 6: Final answer
    x = 122,219,406.60

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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.