Home / 66,753,425.20-100,014,016.20-30,777,847.60

Finding the Fourth Proportional to 66,753,425.20, 100,014,016.20 and 30,777,847.60

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Solution

The fourth proportional to 66,753,425.20, 100,014,016.20 and 30,777,847.60 is: 46,113,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753,425.20 : 100,014,016.20 = 30,777,847.60 : x
  2. Step 2: Convert to fraction form
    66,753,425.20/100,014,016.20 = 30,777,847.60/x
  3. Step 3: Cross multiply
    66,753,425.20x = 100,014,016.20 × 30,777,847.60
  4. Step 4: Simplify right side
    66,753,425.20x = 3,078,216,148,467,531.50
  5. Step 5: Solve for x
    x = 3,078,216,148,467,531.50/66,753,425.20
  6. Step 6: Final answer
    x = 46,113,231.48

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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.