Home / 65,981,402.20-98,972,103.30-35,370,400.60

Finding the Fourth Proportional to 65,981,402.20, 98,972,103.30 and 35,370,400.60

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Solution

The fourth proportional to 65,981,402.20, 98,972,103.30 and 35,370,400.60 is: 53,055,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,981,402.20 : 98,972,103.30 = 35,370,400.60 : x
  2. Step 2: Convert to fraction form
    65,981,402.20/98,972,103.30 = 35,370,400.60/x
  3. Step 3: Cross multiply
    65,981,402.20x = 98,972,103.30 × 35,370,400.60
  4. Step 4: Simplify right side
    65,981,402.20x = 3,500,682,941,945,582
  5. Step 5: Solve for x
    x = 3,500,682,941,945,582/65,981,402.20
  6. Step 6: Final answer
    x = 53,055,600.90

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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.