Home / 80,852,786.20-121,279,179.30-23,346,933.40

Finding the Fourth Proportional to 80,852,786.20, 121,279,179.30 and 23,346,933.40

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Solution

The fourth proportional to 80,852,786.20, 121,279,179.30 and 23,346,933.40 is: 35,020,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,786.20 : 121,279,179.30 = 23,346,933.40 : x
  2. Step 2: Convert to fraction form
    80,852,786.20/121,279,179.30 = 23,346,933.40/x
  3. Step 3: Cross multiply
    80,852,786.20x = 121,279,179.30 × 23,346,933.40
  4. Step 4: Simplify right side
    80,852,786.20x = 2,831,496,921,923,758.50
  5. Step 5: Solve for x
    x = 2,831,496,921,923,758.50/80,852,786.20
  6. Step 6: Final answer
    x = 35,020,400.10

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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.