Home / 208,512,821.80-312,769,232.70-95,045,429.80

Finding the Fourth Proportional to 208,512,821.80, 312,769,232.70 and 95,045,429.80

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Solution

The fourth proportional to 208,512,821.80, 312,769,232.70 and 95,045,429.80 is: 142,568,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,512,821.80 : 312,769,232.70 = 95,045,429.80 : x
  2. Step 2: Convert to fraction form
    208,512,821.80/312,769,232.70 = 95,045,429.80/x
  3. Step 3: Cross multiply
    208,512,821.80x = 312,769,232.70 × 95,045,429.80
  4. Step 4: Simplify right side
    208,512,821.80x = 29,727,286,150,187,712
  5. Step 5: Solve for x
    x = 29,727,286,150,187,712/208,512,821.80
  6. Step 6: Final answer
    x = 142,568,144.70

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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.