Home / 80,135,997.95-120,164,193.48-25,541,479.55

Finding the Fourth Proportional to 80,135,997.95, 120,164,193.48 and 25,541,479.55

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Solution

The fourth proportional to 80,135,997.95, 120,164,193.48 and 25,541,479.55 is: 38,299,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,135,997.95 : 120,164,193.48 = 25,541,479.55 : x
  2. Step 2: Convert to fraction form
    80,135,997.95/120,164,193.48 = 25,541,479.55/x
  3. Step 3: Cross multiply
    80,135,997.95x = 120,164,193.48 × 25,541,479.55
  4. Step 4: Simplify right side
    80,135,997.95x = 3,069,171,290,411,663.50
  5. Step 5: Solve for x
    x = 3,069,171,290,411,663.50/80,135,997.95
  6. Step 6: Final answer
    x = 38,299,532.91

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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.