Home / 47,389,632.80-71,084,449.20-40,215,179.30

Finding the Fourth Proportional to 47,389,632.80, 71,084,449.20 and 40,215,179.30

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Solution

The fourth proportional to 47,389,632.80, 71,084,449.20 and 40,215,179.30 is: 60,322,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,632.80 : 71,084,449.20 = 40,215,179.30 : x
  2. Step 2: Convert to fraction form
    47,389,632.80/71,084,449.20 = 40,215,179.30/x
  3. Step 3: Cross multiply
    47,389,632.80x = 71,084,449.20 × 40,215,179.30
  4. Step 4: Simplify right side
    47,389,632.80x = 2,858,673,870,019,741.50
  5. Step 5: Solve for x
    x = 2,858,673,870,019,741.50/47,389,632.80
  6. Step 6: Final answer
    x = 60,322,768.95

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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.