Home / 65,587,564.20-98,383,679.10-20,149,285.80

Finding the Fourth Proportional to 65,587,564.20, 98,383,679.10 and 20,149,285.80

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Solution

The fourth proportional to 65,587,564.20, 98,383,679.10 and 20,149,285.80 is: 30,224,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,587,564.20 : 98,383,679.10 = 20,149,285.80 : x
  2. Step 2: Convert to fraction form
    65,587,564.20/98,383,679.10 = 20,149,285.80/x
  3. Step 3: Cross multiply
    65,587,564.20x = 98,383,679.10 × 20,149,285.80
  4. Step 4: Simplify right side
    65,587,564.20x = 1,982,360,868,241,386.75
  5. Step 5: Solve for x
    x = 1,982,360,868,241,386.75/65,587,564.20
  6. Step 6: Final answer
    x = 30,224,645.36

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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.