Home / 66,753,423.20-100,014,013.20-30,777,845.60

Finding the Fourth Proportional to 66,753,423.20, 100,014,013.20 and 30,777,845.60

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Solution

The fourth proportional to 66,753,423.20, 100,014,013.20 and 30,777,845.60 is: 46,113,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753,423.20 : 100,014,013.20 = 30,777,845.60 : x
  2. Step 2: Convert to fraction form
    66,753,423.20/100,014,013.20 = 30,777,845.60/x
  3. Step 3: Cross multiply
    66,753,423.20x = 100,014,013.20 × 30,777,845.60
  4. Step 4: Simplify right side
    66,753,423.20x = 3,078,215,856,105,962
  5. Step 5: Solve for x
    x = 3,078,215,856,105,962/66,753,423.20
  6. Step 6: Final answer
    x = 46,113,228.48

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1.5x scale

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.