Home / 262,199,240.20-393,298,860.30-68,094,728.20

Finding the Fourth Proportional to 262,199,240.20, 393,298,860.30 and 68,094,728.20

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Solution

The fourth proportional to 262,199,240.20, 393,298,860.30 and 68,094,728.20 is: 102,142,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,199,240.20 : 393,298,860.30 = 68,094,728.20 : x
  2. Step 2: Convert to fraction form
    262,199,240.20/393,298,860.30 = 68,094,728.20/x
  3. Step 3: Cross multiply
    262,199,240.20x = 393,298,860.30 × 68,094,728.20
  4. Step 4: Simplify right side
    262,199,240.20x = 26,781,578,993,498,272
  5. Step 5: Solve for x
    x = 26,781,578,993,498,272/262,199,240.20
  6. Step 6: Final answer
    x = 102,142,092.30

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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.