Home / 188,047,517.42-280,804,961.22-153,572,310.05

Finding the Fourth Proportional to 188,047,517.42, 280,804,961.22 and 153,572,310.05

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Solution

The fourth proportional to 188,047,517.42, 280,804,961.22 and 153,572,310.05 is: 229,324,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,047,517.42 : 280,804,961.22 = 153,572,310.05 : x
  2. Step 2: Convert to fraction form
    188,047,517.42/280,804,961.22 = 153,572,310.05/x
  3. Step 3: Cross multiply
    188,047,517.42x = 280,804,961.22 × 153,572,310.05
  4. Step 4: Simplify right side
    188,047,517.42x = 43,123,866,567,051,320
  5. Step 5: Solve for x
    x = 43,123,866,567,051,320/188,047,517.42
  6. Step 6: Final answer
    x = 229,324,306.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.