Home / 208,874,171.32-313,321,663.98-79,491,809.00

Finding the Fourth Proportional to 208,874,171.32, 313,321,663.98 and 79,491,809.00

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Solution

The fourth proportional to 208,874,171.32, 313,321,663.98 and 79,491,809.00 is: 119,241,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,874,171.32 : 313,321,663.98 = 79,491,809.00 : x
  2. Step 2: Convert to fraction form
    208,874,171.32/313,321,663.98 = 79,491,809.00/x
  3. Step 3: Cross multiply
    208,874,171.32x = 313,321,663.98 × 79,491,809.00
  4. Step 4: Simplify right side
    208,874,171.32x = 24,906,505,869,443,644
  5. Step 5: Solve for x
    x = 24,906,505,869,443,644/208,874,171.32
  6. Step 6: Final answer
    x = 119,241,674.13

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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.