Home / 293,987,957.28-440,981,935.78-109,769,819.90

Finding the Fourth Proportional to 293,987,957.28, 440,981,935.78 and 109,769,819.90

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Solution

The fourth proportional to 293,987,957.28, 440,981,935.78 and 109,769,819.90 is: 164,654,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,987,957.28 : 440,981,935.78 = 109,769,819.90 : x
  2. Step 2: Convert to fraction form
    293,987,957.28/440,981,935.78 = 109,769,819.90/x
  3. Step 3: Cross multiply
    293,987,957.28x = 440,981,935.78 × 109,769,819.90
  4. Step 4: Simplify right side
    293,987,957.28x = 48,406,507,669,723,968
  5. Step 5: Solve for x
    x = 48,406,507,669,723,968/293,987,957.28
  6. Step 6: Final answer
    x = 164,654,729.80

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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.