Home / 47,932,344.80-71,898,517.20-45,475,906.40

Finding the Fourth Proportional to 47,932,344.80, 71,898,517.20 and 45,475,906.40

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Solution

The fourth proportional to 47,932,344.80, 71,898,517.20 and 45,475,906.40 is: 68,213,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,932,344.80 : 71,898,517.20 = 45,475,906.40 : x
  2. Step 2: Convert to fraction form
    47,932,344.80/71,898,517.20 = 45,475,906.40/x
  3. Step 3: Cross multiply
    47,932,344.80x = 71,898,517.20 × 45,475,906.40
  4. Step 4: Simplify right side
    47,932,344.80x = 3,269,650,238,485,990
  5. Step 5: Solve for x
    x = 3,269,650,238,485,990/47,932,344.80
  6. Step 6: Final answer
    x = 68,213,859.60

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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.