Home / 80,453,029.05-120,679,543.58-48,204,401.85

Finding the Fourth Proportional to 80,453,029.05, 120,679,543.58 and 48,204,401.85

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Solution

The fourth proportional to 80,453,029.05, 120,679,543.58 and 48,204,401.85 is: 72,306,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453,029.05 : 120,679,543.58 = 48,204,401.85 : x
  2. Step 2: Convert to fraction form
    80,453,029.05/120,679,543.58 = 48,204,401.85/x
  3. Step 3: Cross multiply
    80,453,029.05x = 120,679,543.58 × 48,204,401.85
  4. Step 4: Simplify right side
    80,453,029.05x = 5,817,285,213,563,886
  5. Step 5: Solve for x
    x = 5,817,285,213,563,886/80,453,029.05
  6. Step 6: Final answer
    x = 72,306,602.78

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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.