Home / 170,903,121.87-256,395,007.85-55,887,217.23

Finding the Fourth Proportional to 170,903,121.87, 256,395,007.85 and 55,887,217.23

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Solution

The fourth proportional to 170,903,121.87, 256,395,007.85 and 55,887,217.23 is: 83,844,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,903,121.87 : 256,395,007.85 = 55,887,217.23 : x
  2. Step 2: Convert to fraction form
    170,903,121.87/256,395,007.85 = 55,887,217.23/x
  3. Step 3: Cross multiply
    170,903,121.87x = 256,395,007.85 × 55,887,217.23
  4. Step 4: Simplify right side
    170,903,121.87x = 14,329,203,500,121,068
  5. Step 5: Solve for x
    x = 14,329,203,500,121,068/170,903,121.87
  6. Step 6: Final answer
    x = 83,844,012.58

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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.