Home / 52,147,711.62-78,235,517.88-18,069,057.54

Finding the Fourth Proportional to 52,147,711.62, 78,235,517.88 and 18,069,057.54

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Solution

The fourth proportional to 52,147,711.62, 78,235,517.88 and 18,069,057.54 is: 27,108,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,147,711.62 : 78,235,517.88 = 18,069,057.54 : x
  2. Step 2: Convert to fraction form
    52,147,711.62/78,235,517.88 = 18,069,057.54/x
  3. Step 3: Cross multiply
    52,147,711.62x = 78,235,517.88 × 18,069,057.54
  4. Step 4: Simplify right side
    52,147,711.62x = 1,413,642,074,245,418.75
  5. Step 5: Solve for x
    x = 1,413,642,074,245,418.75/52,147,711.62
  6. Step 6: Final answer
    x = 27,108,420.11

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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.