Home / 39,366,163.80-59,078,770.20-20,187,048.60

Finding the Fourth Proportional to 39,366,163.80, 59,078,770.20 and 20,187,048.60

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Solution

The fourth proportional to 39,366,163.80, 59,078,770.20 and 20,187,048.60 is: 30,295,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,163.80 : 59,078,770.20 = 20,187,048.60 : x
  2. Step 2: Convert to fraction form
    39,366,163.80/59,078,770.20 = 20,187,048.60/x
  3. Step 3: Cross multiply
    39,366,163.80x = 59,078,770.20 × 20,187,048.60
  4. Step 4: Simplify right side
    39,366,163.80x = 1,192,626,005,255,631.75
  5. Step 5: Solve for x
    x = 1,192,626,005,255,631.75/39,366,163.80
  6. Step 6: Final answer
    x = 30,295,713.12

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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.