Home / 80,453,016.55-120,679,524.83-48,204,389.35

Finding the Fourth Proportional to 80,453,016.55, 120,679,524.83 and 48,204,389.35

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Solution

The fourth proportional to 80,453,016.55, 120,679,524.83 and 48,204,389.35 is: 72,306,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453,016.55 : 120,679,524.83 = 48,204,389.35 : x
  2. Step 2: Convert to fraction form
    80,453,016.55/120,679,524.83 = 48,204,389.35/x
  3. Step 3: Cross multiply
    80,453,016.55x = 120,679,524.83 × 48,204,389.35
  4. Step 4: Simplify right side
    80,453,016.55x = 5,817,282,801,478,313
  5. Step 5: Solve for x
    x = 5,817,282,801,478,313/80,453,016.55
  6. Step 6: Final answer
    x = 72,306,584.03

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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.