Home / 45,516,778.20-68,275,167.30-40,255,512.30

Finding the Fourth Proportional to 45,516,778.20, 68,275,167.30 and 40,255,512.30

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Solution

The fourth proportional to 45,516,778.20, 68,275,167.30 and 40,255,512.30 is: 60,383,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,516,778.20 : 68,275,167.30 = 40,255,512.30 : x
  2. Step 2: Convert to fraction form
    45,516,778.20/68,275,167.30 = 40,255,512.30/x
  3. Step 3: Cross multiply
    45,516,778.20x = 68,275,167.30 × 40,255,512.30
  4. Step 4: Simplify right side
    45,516,778.20x = 2,748,451,837,029,707.50
  5. Step 5: Solve for x
    x = 2,748,451,837,029,707.50/45,516,778.20
  6. Step 6: Final answer
    x = 60,383,268.45

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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.