Home / 80,879,120.12-121,366,619.22-29,796,982.04

Finding the Fourth Proportional to 80,879,120.12, 121,366,619.22 and 29,796,982.04

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Solution

The fourth proportional to 80,879,120.12, 121,366,619.22 and 29,796,982.04 is: 44,713,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,120.12 : 121,366,619.22 = 29,796,982.04 : x
  2. Step 2: Convert to fraction form
    80,879,120.12/121,366,619.22 = 29,796,982.04/x
  3. Step 3: Cross multiply
    80,879,120.12x = 121,366,619.22 × 29,796,982.04
  4. Step 4: Simplify right side
    80,879,120.12x = 3,616,358,973,153,858.50
  5. Step 5: Solve for x
    x = 3,616,358,973,153,858.50/80,879,120.12
  6. Step 6: Final answer
    x = 44,713,134.46

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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.