Home / 80,453,023.55-120,679,535.33-48,204,396.35

Finding the Fourth Proportional to 80,453,023.55, 120,679,535.33 and 48,204,396.35

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Solution

The fourth proportional to 80,453,023.55, 120,679,535.33 and 48,204,396.35 is: 72,306,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453,023.55 : 120,679,535.33 = 48,204,396.35 : x
  2. Step 2: Convert to fraction form
    80,453,023.55/120,679,535.33 = 48,204,396.35/x
  3. Step 3: Cross multiply
    80,453,023.55x = 120,679,535.33 × 48,204,396.35
  4. Step 4: Simplify right side
    80,453,023.55x = 5,817,284,152,140,126
  5. Step 5: Solve for x
    x = 5,817,284,152,140,126/80,453,023.55
  6. Step 6: Final answer
    x = 72,306,594.53

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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.