Home / 80,380,829.72-120,459,543.56-41,965,715.46

Finding the Fourth Proportional to 80,380,829.72, 120,459,543.56 and 41,965,715.46

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Solution

The fourth proportional to 80,380,829.72, 120,459,543.56 and 41,965,715.46 is: 62,890,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,380,829.72 : 120,459,543.56 = 41,965,715.46 : x
  2. Step 2: Convert to fraction form
    80,380,829.72/120,459,543.56 = 41,965,715.46/x
  3. Step 3: Cross multiply
    80,380,829.72x = 120,459,543.56 × 41,965,715.46
  4. Step 4: Simplify right side
    80,380,829.72x = 5,055,170,929,480,436
  5. Step 5: Solve for x
    x = 5,055,170,929,480,436/80,380,829.72
  6. Step 6: Final answer
    x = 62,890,255.64

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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.