Home / 293,276,458.80-440,198,123.40-147,874,201.20

Finding the Fourth Proportional to 293,276,458.80, 440,198,123.40 and 147,874,201.20

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Solution

The fourth proportional to 293,276,458.80, 440,198,123.40 and 147,874,201.20 is: 221,954,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,276,458.80 : 440,198,123.40 = 147,874,201.20 : x
  2. Step 2: Convert to fraction form
    293,276,458.80/440,198,123.40 = 147,874,201.20/x
  3. Step 3: Cross multiply
    293,276,458.80x = 440,198,123.40 × 147,874,201.20
  4. Step 4: Simplify right side
    293,276,458.80x = 65,093,945,867,514,016
  5. Step 5: Solve for x
    x = 65,093,945,867,514,016/293,276,458.80
  6. Step 6: Final answer
    x = 221,954,213.90

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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.