Home / 217,946,314.24-301,053,011.12-161,545,397.40

Finding the Fourth Proportional to 217,946,314.24, 301,053,011.12 and 161,545,397.40

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Solution

The fourth proportional to 217,946,314.24, 301,053,011.12 and 161,545,397.40 is: 223,145,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,946,314.24 : 301,053,011.12 = 161,545,397.40 : x
  2. Step 2: Convert to fraction form
    217,946,314.24/301,053,011.12 = 161,545,397.40/x
  3. Step 3: Cross multiply
    217,946,314.24x = 301,053,011.12 × 161,545,397.40
  4. Step 4: Simplify right side
    217,946,314.24x = 48,633,728,318,348,192
  5. Step 5: Solve for x
    x = 48,633,728,318,348,192/217,946,314.24
  6. Step 6: Final answer
    x = 223,145,449.78

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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.