Home / 71,591,794.23-107,393,877.14-19,776,378.75

Finding the Fourth Proportional to 71,591,794.23, 107,393,877.14 and 19,776,378.75

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Solution

The fourth proportional to 71,591,794.23, 107,393,877.14 and 19,776,378.75 is: 29,666,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,591,794.23 : 107,393,877.14 = 19,776,378.75 : x
  2. Step 2: Convert to fraction form
    71,591,794.23/107,393,877.14 = 19,776,378.75/x
  3. Step 3: Cross multiply
    71,591,794.23x = 107,393,877.14 × 19,776,378.75
  4. Step 4: Simplify right side
    71,591,794.23x = 2,123,861,989,264,078.50
  5. Step 5: Solve for x
    x = 2,123,861,989,264,078.50/71,591,794.23
  6. Step 6: Final answer
    x = 29,666,276.87

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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.