Home / 65,587,549.20-98,383,656.60-20,149,270.80

Finding the Fourth Proportional to 65,587,549.20, 98,383,656.60 and 20,149,270.80

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Solution

The fourth proportional to 65,587,549.20, 98,383,656.60 and 20,149,270.80 is: 30,224,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,587,549.20 : 98,383,656.60 = 20,149,270.80 : x
  2. Step 2: Convert to fraction form
    65,587,549.20/98,383,656.60 = 20,149,270.80/x
  3. Step 3: Cross multiply
    65,587,549.20x = 98,383,656.60 × 20,149,270.80
  4. Step 4: Simplify right side
    65,587,549.20x = 1,982,358,939,127,607.25
  5. Step 5: Solve for x
    x = 1,982,358,939,127,607.25/65,587,549.20
  6. Step 6: Final answer
    x = 30,224,622.86

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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.