Home / 293,987,959.28-440,981,938.78-109,769,821.90

Finding the Fourth Proportional to 293,987,959.28, 440,981,938.78 and 109,769,821.90

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Solution

The fourth proportional to 293,987,959.28, 440,981,938.78 and 109,769,821.90 is: 164,654,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,987,959.28 : 440,981,938.78 = 109,769,821.90 : x
  2. Step 2: Convert to fraction form
    293,987,959.28/440,981,938.78 = 109,769,821.90/x
  3. Step 3: Cross multiply
    293,987,959.28x = 440,981,938.78 × 109,769,821.90
  4. Step 4: Simplify right side
    293,987,959.28x = 48,406,508,880,997,304
  5. Step 5: Solve for x
    x = 48,406,508,880,997,304/293,987,959.28
  6. Step 6: Final answer
    x = 164,654,732.80

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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.