Home / 221,435,753.20-332,153,629.80-129,224,834.80

Finding the Fourth Proportional to 221,435,753.20, 332,153,629.80 and 129,224,834.80

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Solution

The fourth proportional to 221,435,753.20, 332,153,629.80 and 129,224,834.80 is: 193,837,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,435,753.20 : 332,153,629.80 = 129,224,834.80 : x
  2. Step 2: Convert to fraction form
    221,435,753.20/332,153,629.80 = 129,224,834.80/x
  3. Step 3: Cross multiply
    221,435,753.20x = 332,153,629.80 × 129,224,834.80
  4. Step 4: Simplify right side
    221,435,753.20x = 42,922,497,939,125,360
  5. Step 5: Solve for x
    x = 42,922,497,939,125,360/221,435,753.20
  6. Step 6: Final answer
    x = 193,837,252.20

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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.