Home / 324,231,853.70-486,377,678.52-105,883,340.10

Finding the Fourth Proportional to 324,231,853.70, 486,377,678.52 and 105,883,340.10

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Solution

The fourth proportional to 324,231,853.70, 486,377,678.52 and 105,883,340.10 is: 158,834,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,231,853.70 : 486,377,678.52 = 105,883,340.10 : x
  2. Step 2: Convert to fraction form
    324,231,853.70/486,377,678.52 = 105,883,340.10/x
  3. Step 3: Cross multiply
    324,231,853.70x = 486,377,678.52 × 105,883,340.10
  4. Step 4: Simplify right side
    324,231,853.70x = 51,499,293,151,781,616
  5. Step 5: Solve for x
    x = 51,499,293,151,781,616/324,231,853.70
  6. Step 6: Final answer
    x = 158,834,773.83

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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.