Home / 312,984,003.80-469,476,005.70-108,444,099.80

Finding the Fourth Proportional to 312,984,003.80, 469,476,005.70 and 108,444,099.80

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Solution

The fourth proportional to 312,984,003.80, 469,476,005.70 and 108,444,099.80 is: 162,666,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,984,003.80 : 469,476,005.70 = 108,444,099.80 : x
  2. Step 2: Convert to fraction form
    312,984,003.80/469,476,005.70 = 108,444,099.80/x
  3. Step 3: Cross multiply
    312,984,003.80x = 469,476,005.70 × 108,444,099.80
  4. Step 4: Simplify right side
    312,984,003.80x = 50,911,902,815,836,168
  5. Step 5: Solve for x
    x = 50,911,902,815,836,168/312,984,003.80
  6. Step 6: Final answer
    x = 162,666,149.70

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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.