Home / 79,956,175,168.30-119,933,052,074.07-19,451,022,438.46

Finding the Fourth Proportional to 79,956,175,168.30, 119,933,052,074.07 and 19,451,022,438.46

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Solution

The fourth proportional to 79,956,175,168.30, 119,933,052,074.07 and 19,451,022,438.46 is: 29,176,239,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,956,175,168.30 : 119,933,052,074.07 = 19,451,022,438.46 : x
  2. Step 2: Convert to fraction form
    79,956,175,168.30/119,933,052,074.07 = 19,451,022,438.46/x
  3. Step 3: Cross multiply
    79,956,175,168.30x = 119,933,052,074.07 × 19,451,022,438.46
  4. Step 4: Simplify right side
    79,956,175,168.30x = 2,332,820,487,005,487,497,216
  5. Step 5: Solve for x
    x = 2,332,820,487,005,487,497,216/79,956,175,168.30
  6. Step 6: Final answer
    x = 29,176,239,134.69

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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.