Home / 79,956,175,172.36-119,933,052,080.16-19,451,022,442.52

Finding the Fourth Proportional to 79,956,175,172.36, 119,933,052,080.16 and 19,451,022,442.52

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Solution

The fourth proportional to 79,956,175,172.36, 119,933,052,080.16 and 19,451,022,442.52 is: 29,176,239,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,956,175,172.36 : 119,933,052,080.16 = 19,451,022,442.52 : x
  2. Step 2: Convert to fraction form
    79,956,175,172.36/119,933,052,080.16 = 19,451,022,442.52/x
  3. Step 3: Cross multiply
    79,956,175,172.36x = 119,933,052,080.16 × 19,451,022,442.52
  4. Step 4: Simplify right side
    79,956,175,172.36x = 2,332,820,487,611,112,226,816
  5. Step 5: Solve for x
    x = 2,332,820,487,611,112,226,816/79,956,175,172.36
  6. Step 6: Final answer
    x = 29,176,239,140.78

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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.