Home / 319,662,213.75-441,133,855.11-172,984,497.75

Finding the Fourth Proportional to 319,662,213.75, 441,133,855.11 and 172,984,497.75

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Solution

The fourth proportional to 319,662,213.75, 441,133,855.11 and 172,984,497.75 is: 238,718,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,662,213.75 : 441,133,855.11 = 172,984,497.75 : x
  2. Step 2: Convert to fraction form
    319,662,213.75/441,133,855.11 = 172,984,497.75/x
  3. Step 3: Cross multiply
    319,662,213.75x = 441,133,855.11 × 172,984,497.75
  4. Step 4: Simplify right side
    319,662,213.75x = 76,309,318,366,724,624
  5. Step 5: Solve for x
    x = 76,309,318,366,724,624/319,662,213.75
  6. Step 6: Final answer
    x = 238,718,606.97

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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.