Home / 65,587,513.20-98,383,602.60-20,149,234.80

Finding the Fourth Proportional to 65,587,513.20, 98,383,602.60 and 20,149,234.80

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Solution

The fourth proportional to 65,587,513.20, 98,383,602.60 and 20,149,234.80 is: 30,224,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,587,513.20 : 98,383,602.60 = 20,149,234.80 : x
  2. Step 2: Convert to fraction form
    65,587,513.20/98,383,602.60 = 20,149,234.80/x
  3. Step 3: Cross multiply
    65,587,513.20x = 98,383,602.60 × 20,149,234.80
  4. Step 4: Simplify right side
    65,587,513.20x = 1,982,354,309,257,290.50
  5. Step 5: Solve for x
    x = 1,982,354,309,257,290.50/65,587,513.20
  6. Step 6: Final answer
    x = 30,224,568.86

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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.