Home / 325,972,039.60-488,790,097.80-121,394,810.80

Finding the Fourth Proportional to 325,972,039.60, 488,790,097.80 and 121,394,810.80

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Solution

The fourth proportional to 325,972,039.60, 488,790,097.80 and 121,394,810.80 is: 182,029,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,972,039.60 : 488,790,097.80 = 121,394,810.80 : x
  2. Step 2: Convert to fraction form
    325,972,039.60/488,790,097.80 = 121,394,810.80/x
  3. Step 3: Cross multiply
    325,972,039.60x = 488,790,097.80 × 121,394,810.80
  4. Step 4: Simplify right side
    325,972,039.60x = 59,336,581,443,344,496
  5. Step 5: Solve for x
    x = 59,336,581,443,344,496/325,972,039.60
  6. Step 6: Final answer
    x = 182,029,665.85

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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.