Home / 80,641,111.80-120,961,667.70-44,361,406.20

Finding the Fourth Proportional to 80,641,111.80, 120,961,667.70 and 44,361,406.20

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Solution

The fourth proportional to 80,641,111.80, 120,961,667.70 and 44,361,406.20 is: 66,542,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,641,111.80 : 120,961,667.70 = 44,361,406.20 : x
  2. Step 2: Convert to fraction form
    80,641,111.80/120,961,667.70 = 44,361,406.20/x
  3. Step 3: Cross multiply
    80,641,111.80x = 120,961,667.70 × 44,361,406.20
  4. Step 4: Simplify right side
    80,641,111.80x = 5,366,029,675,469,120
  5. Step 5: Solve for x
    x = 5,366,029,675,469,120/80,641,111.80
  6. Step 6: Final answer
    x = 66,542,109.30

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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.