Home / 66,753,445.20-100,014,046.20-30,777,867.60

Finding the Fourth Proportional to 66,753,445.20, 100,014,046.20 and 30,777,867.60

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Solution

The fourth proportional to 66,753,445.20, 100,014,046.20 and 30,777,867.60 is: 46,113,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753,445.20 : 100,014,046.20 = 30,777,867.60 : x
  2. Step 2: Convert to fraction form
    66,753,445.20/100,014,046.20 = 30,777,867.60/x
  3. Step 3: Cross multiply
    66,753,445.20x = 100,014,046.20 × 30,777,867.60
  4. Step 4: Simplify right side
    66,753,445.20x = 3,078,219,072,083,883.50
  5. Step 5: Solve for x
    x = 3,078,219,072,083,883.50/66,753,445.20
  6. Step 6: Final answer
    x = 46,113,261.46

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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.