Home / 194,943,078.80-292,414,618.20-80,010,105.20

Finding the Fourth Proportional to 194,943,078.80, 292,414,618.20 and 80,010,105.20

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Solution

The fourth proportional to 194,943,078.80, 292,414,618.20 and 80,010,105.20 is: 120,015,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,943,078.80 : 292,414,618.20 = 80,010,105.20 : x
  2. Step 2: Convert to fraction form
    194,943,078.80/292,414,618.20 = 80,010,105.20/x
  3. Step 3: Cross multiply
    194,943,078.80x = 292,414,618.20 × 80,010,105.20
  4. Step 4: Simplify right side
    194,943,078.80x = 23,396,124,364,199,836
  5. Step 5: Solve for x
    x = 23,396,124,364,199,836/194,943,078.80
  6. Step 6: Final answer
    x = 120,015,157.80

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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.