Home / 320,112,399.87-441,619,841.21-214,299,903.96

Finding the Fourth Proportional to 320,112,399.87, 441,619,841.21 and 214,299,903.96

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Solution

The fourth proportional to 320,112,399.87, 441,619,841.21 and 214,299,903.96 is: 295,643,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,112,399.87 : 441,619,841.21 = 214,299,903.96 : x
  2. Step 2: Convert to fraction form
    320,112,399.87/441,619,841.21 = 214,299,903.96/x
  3. Step 3: Cross multiply
    320,112,399.87x = 441,619,841.21 × 214,299,903.96
  4. Step 4: Simplify right side
    320,112,399.87x = 94,639,089,557,061,952
  5. Step 5: Solve for x
    x = 94,639,089,557,061,952/320,112,399.87
  6. Step 6: Final answer
    x = 295,643,310.27

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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.