Home / 217,946,318.64-301,053,017.21-161,545,401.81

Finding the Fourth Proportional to 217,946,318.64, 301,053,017.21 and 161,545,401.81

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Solution

The fourth proportional to 217,946,318.64, 301,053,017.21 and 161,545,401.81 is: 223,145,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,946,318.64 : 301,053,017.21 = 161,545,401.81 : x
  2. Step 2: Convert to fraction form
    217,946,318.64/301,053,017.21 = 161,545,401.81/x
  3. Step 3: Cross multiply
    217,946,318.64x = 301,053,017.21 × 161,545,401.81
  4. Step 4: Simplify right side
    217,946,318.64x = 48,633,730,630,494,568
  5. Step 5: Solve for x
    x = 48,633,730,630,494,568/217,946,318.64
  6. Step 6: Final answer
    x = 223,145,455.88

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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.