Home / 57,811,487.10-79,784,897.54-31,711,049.43

Finding the Fourth Proportional to 57,811,487.10, 79,784,897.54 and 31,711,049.43

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Solution

The fourth proportional to 57,811,487.10, 79,784,897.54 and 31,711,049.43 is: 43,764,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,811,487.10 : 79,784,897.54 = 31,711,049.43 : x
  2. Step 2: Convert to fraction form
    57,811,487.10/79,784,897.54 = 31,711,049.43/x
  3. Step 3: Cross multiply
    57,811,487.10x = 79,784,897.54 × 31,711,049.43
  4. Step 4: Simplify right side
    57,811,487.10x = 2,530,062,829,658,425.50
  5. Step 5: Solve for x
    x = 2,530,062,829,658,425.50/57,811,487.10
  6. Step 6: Final answer
    x = 43,764,015.71

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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.