Home / 130,345,738.80-195,644,579.40-65,722,513.20

Finding the Fourth Proportional to 130,345,738.80, 195,644,579.40 and 65,722,513.20

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Solution

The fourth proportional to 130,345,738.80, 195,644,579.40 and 65,722,513.20 is: 98,647,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,345,738.80 : 195,644,579.40 = 65,722,513.20 : x
  2. Step 2: Convert to fraction form
    130,345,738.80/195,644,579.40 = 65,722,513.20/x
  3. Step 3: Cross multiply
    130,345,738.80x = 195,644,579.40 × 65,722,513.20
  4. Step 4: Simplify right side
    130,345,738.80x = 12,858,253,452,124,950
  5. Step 5: Solve for x
    x = 12,858,253,452,124,950/130,345,738.80
  6. Step 6: Final answer
    x = 98,647,286.60

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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.