Home / 112,979,611.20-169,485,163.20-48,282,902.40

Finding the Fourth Proportional to 112,979,611.20, 169,485,163.20 and 48,282,902.40

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Solution

The fourth proportional to 112,979,611.20, 169,485,163.20 and 48,282,902.40 is: 72,431,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,979,611.20 : 169,485,163.20 = 48,282,902.40 : x
  2. Step 2: Convert to fraction form
    112,979,611.20/169,485,163.20 = 48,282,902.40/x
  3. Step 3: Cross multiply
    112,979,611.20x = 169,485,163.20 × 48,282,902.40
  4. Step 4: Simplify right side
    112,979,611.20x = 8,183,235,593,033,671
  5. Step 5: Solve for x
    x = 8,183,235,593,033,671/112,979,611.20
  6. Step 6: Final answer
    x = 72,431,082.97

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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.