Home / 65,373,579.79-90,221,912.40-48,824,974.15

Finding the Fourth Proportional to 65,373,579.79, 90,221,912.40 and 48,824,974.15

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Solution

The fourth proportional to 65,373,579.79, 90,221,912.40 and 48,824,974.15 is: 67,383,223.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373,579.79 : 90,221,912.40 = 48,824,974.15 : x
  2. Step 2: Convert to fraction form
    65,373,579.79/90,221,912.40 = 48,824,974.15/x
  3. Step 3: Cross multiply
    65,373,579.79x = 90,221,912.40 × 48,824,974.15
  4. Step 4: Simplify right side
    65,373,579.79x = 4,405,082,540,693,564.50
  5. Step 5: Solve for x
    x = 4,405,082,540,693,564.50/65,373,579.79
  6. Step 6: Final answer
    x = 67,383,223.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.