Home / 112,135,136.80-168,202,705.20-30,253,856.80

Finding the Fourth Proportional to 112,135,136.80, 168,202,705.20 and 30,253,856.80

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Solution

The fourth proportional to 112,135,136.80, 168,202,705.20 and 30,253,856.80 is: 45,380,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,135,136.80 : 168,202,705.20 = 30,253,856.80 : x
  2. Step 2: Convert to fraction form
    112,135,136.80/168,202,705.20 = 30,253,856.80/x
  3. Step 3: Cross multiply
    112,135,136.80x = 168,202,705.20 × 30,253,856.80
  4. Step 4: Simplify right side
    112,135,136.80x = 5,088,780,556,493,415
  5. Step 5: Solve for x
    x = 5,088,780,556,493,415/112,135,136.80
  6. Step 6: Final answer
    x = 45,380,785.20

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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.