Home / 213,146,989.32-294,143,301.12-120,327,497.18

Finding the Fourth Proportional to 213,146,989.32, 294,143,301.12 and 120,327,497.18

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Solution

The fourth proportional to 213,146,989.32, 294,143,301.12 and 120,327,497.18 is: 166,052,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,146,989.32 : 294,143,301.12 = 120,327,497.18 : x
  2. Step 2: Convert to fraction form
    213,146,989.32/294,143,301.12 = 120,327,497.18/x
  3. Step 3: Cross multiply
    213,146,989.32x = 294,143,301.12 × 120,327,497.18
  4. Step 4: Simplify right side
    213,146,989.32x = 35,393,527,234,561,976
  5. Step 5: Solve for x
    x = 35,393,527,234,561,976/213,146,989.32
  6. Step 6: Final answer
    x = 166,052,203.45

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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.