Home / 80,445,092.80-120,667,639.20-29,328,779.20

Finding the Fourth Proportional to 80,445,092.80, 120,667,639.20 and 29,328,779.20

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Solution

The fourth proportional to 80,445,092.80, 120,667,639.20 and 29,328,779.20 is: 43,993,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,445,092.80 : 120,667,639.20 = 29,328,779.20 : x
  2. Step 2: Convert to fraction form
    80,445,092.80/120,667,639.20 = 29,328,779.20/x
  3. Step 3: Cross multiply
    80,445,092.80x = 120,667,639.20 × 29,328,779.20
  4. Step 4: Simplify right side
    80,445,092.80x = 3,539,034,546,682,064.50
  5. Step 5: Solve for x
    x = 3,539,034,546,682,064.50/80,445,092.80
  6. Step 6: Final answer
    x = 43,993,168.80

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1.5x scale

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.