Home / 311,444,777.70-467,167,166.55-81,437,112.90

Finding the Fourth Proportional to 311,444,777.70, 467,167,166.55 and 81,437,112.90

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Solution

The fourth proportional to 311,444,777.70, 467,167,166.55 and 81,437,112.90 is: 122,155,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,444,777.70 : 467,167,166.55 = 81,437,112.90 : x
  2. Step 2: Convert to fraction form
    311,444,777.70/467,167,166.55 = 81,437,112.90/x
  3. Step 3: Cross multiply
    311,444,777.70x = 467,167,166.55 × 81,437,112.90
  4. Step 4: Simplify right side
    311,444,777.70x = 38,044,745,285,505,456
  5. Step 5: Solve for x
    x = 38,044,745,285,505,456/311,444,777.70
  6. Step 6: Final answer
    x = 122,155,669.35

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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.