Home / 213,063,679.44-293,944,219.20-123,740,418.15

Finding the Fourth Proportional to 213,063,679.44, 293,944,219.20 and 123,740,418.15

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Solution

The fourth proportional to 213,063,679.44, 293,944,219.20 and 123,740,418.15 is: 170,713,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,063,679.44 : 293,944,219.20 = 123,740,418.15 : x
  2. Step 2: Convert to fraction form
    213,063,679.44/293,944,219.20 = 123,740,418.15/x
  3. Step 3: Cross multiply
    213,063,679.44x = 293,944,219.20 × 123,740,418.15
  4. Step 4: Simplify right side
    213,063,679.44x = 36,372,780,596,583,256
  5. Step 5: Solve for x
    x = 36,372,780,596,583,256/213,063,679.44
  6. Step 6: Final answer
    x = 170,713,190.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.