Home / 318,976,726.50-440,188,059.69-172,299,011.94

Finding the Fourth Proportional to 318,976,726.50, 440,188,059.69 and 172,299,011.94

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Solution

The fourth proportional to 318,976,726.50, 440,188,059.69 and 172,299,011.94 is: 237,772,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,976,726.50 : 440,188,059.69 = 172,299,011.94 : x
  2. Step 2: Convert to fraction form
    318,976,726.50/440,188,059.69 = 172,299,011.94/x
  3. Step 3: Cross multiply
    318,976,726.50x = 440,188,059.69 × 172,299,011.94
  4. Step 4: Simplify right side
    318,976,726.50x = 75,843,967,752,372,736
  5. Step 5: Solve for x
    x = 75,843,967,752,372,736/318,976,726.50
  6. Step 6: Final answer
    x = 237,772,732.15

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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.