Home / 80,453,007.68-120,679,511.52-48,204,380.48

Finding the Fourth Proportional to 80,453,007.68, 120,679,511.52 and 48,204,380.48

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Solution

The fourth proportional to 80,453,007.68, 120,679,511.52 and 48,204,380.48 is: 72,306,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453,007.68 : 120,679,511.52 = 48,204,380.48 : x
  2. Step 2: Convert to fraction form
    80,453,007.68/120,679,511.52 = 48,204,380.48/x
  3. Step 3: Cross multiply
    80,453,007.68x = 120,679,511.52 × 48,204,380.48
  4. Step 4: Simplify right side
    80,453,007.68x = 5,817,281,088,847,226
  5. Step 5: Solve for x
    x = 5,817,281,088,847,226/80,453,007.68
  6. Step 6: Final answer
    x = 72,306,570.72

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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.