Home / 80,453,028.55-120,679,542.83-48,204,401.35

Finding the Fourth Proportional to 80,453,028.55, 120,679,542.83 and 48,204,401.35

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Solution

The fourth proportional to 80,453,028.55, 120,679,542.83 and 48,204,401.35 is: 72,306,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453,028.55 : 120,679,542.83 = 48,204,401.35 : x
  2. Step 2: Convert to fraction form
    80,453,028.55/120,679,542.83 = 48,204,401.35/x
  3. Step 3: Cross multiply
    80,453,028.55x = 120,679,542.83 × 48,204,401.35
  4. Step 4: Simplify right side
    80,453,028.55x = 5,817,285,117,070,813
  5. Step 5: Solve for x
    x = 5,817,285,117,070,813/80,453,028.55
  6. Step 6: Final answer
    x = 72,306,602.03

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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.