Home / 293,987,953.28-440,981,929.77-109,769,815.89

Finding the Fourth Proportional to 293,987,953.28, 440,981,929.77 and 109,769,815.89

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Solution

The fourth proportional to 293,987,953.28, 440,981,929.77 and 109,769,815.89 is: 164,654,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,987,953.28 : 440,981,929.77 = 109,769,815.89 : x
  2. Step 2: Convert to fraction form
    293,987,953.28/440,981,929.77 = 109,769,815.89/x
  3. Step 3: Cross multiply
    293,987,953.28x = 440,981,929.77 × 109,769,815.89
  4. Step 4: Simplify right side
    293,987,953.28x = 48,406,505,241,669,808
  5. Step 5: Solve for x
    x = 48,406,505,241,669,808/293,987,953.28
  6. Step 6: Final answer
    x = 164,654,723.78

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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.