Home / 42,336,220.80-63,504,331.20-12,040,147.20

Finding the Fourth Proportional to 42,336,220.80, 63,504,331.20 and 12,040,147.20

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Solution

The fourth proportional to 42,336,220.80, 63,504,331.20 and 12,040,147.20 is: 18,060,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336,220.80 : 63,504,331.20 = 12,040,147.20 : x
  2. Step 2: Convert to fraction form
    42,336,220.80/63,504,331.20 = 12,040,147.20/x
  3. Step 3: Cross multiply
    42,336,220.80x = 63,504,331.20 × 12,040,147.20
  4. Step 4: Simplify right side
    42,336,220.80x = 764,601,495,485,552.62
  5. Step 5: Solve for x
    x = 764,601,495,485,552.62/42,336,220.80
  6. Step 6: Final answer
    x = 18,060,220.80

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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.