Home / 57,477,330-79,318,715.40-39,174,589.44

Finding the Fourth Proportional to 57,477,330, 79,318,715.40 and 39,174,589.44

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Solution

The fourth proportional to 57,477,330, 79,318,715.40 and 39,174,589.44 is: 54,060,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,477,330 : 79,318,715.40 = 39,174,589.44 : x
  2. Step 2: Convert to fraction form
    57,477,330/79,318,715.40 = 39,174,589.44/x
  3. Step 3: Cross multiply
    57,477,330x = 79,318,715.40 × 39,174,589.44
  4. Step 4: Simplify right side
    57,477,330x = 3,107,278,110,703,205.50
  5. Step 5: Solve for x
    x = 3,107,278,110,703,205.50/57,477,330
  6. Step 6: Final answer
    x = 54,060,933.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.