Home / 82,048,736.80-123,073,105.20-39,581,408.80

Finding the Fourth Proportional to 82,048,736.80, 123,073,105.20 and 39,581,408.80

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Solution

The fourth proportional to 82,048,736.80, 123,073,105.20 and 39,581,408.80 is: 59,372,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,048,736.80 : 123,073,105.20 = 39,581,408.80 : x
  2. Step 2: Convert to fraction form
    82,048,736.80/123,073,105.20 = 39,581,408.80/x
  3. Step 3: Cross multiply
    82,048,736.80x = 123,073,105.20 × 39,581,408.80
  4. Step 4: Simplify right side
    82,048,736.80x = 4,871,406,889,206,606
  5. Step 5: Solve for x
    x = 4,871,406,889,206,606/82,048,736.80
  6. Step 6: Final answer
    x = 59,372,113.20

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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.