Home / 215,693,204.20-323,507,914.62-79,346,701.24

Finding the Fourth Proportional to 215,693,204.20, 323,507,914.62 and 79,346,701.24

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Solution

The fourth proportional to 215,693,204.20, 323,507,914.62 and 79,346,701.24 is: 119,008,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,693,204.20 : 323,507,914.62 = 79,346,701.24 : x
  2. Step 2: Convert to fraction form
    215,693,204.20/323,507,914.62 = 79,346,701.24/x
  3. Step 3: Cross multiply
    215,693,204.20x = 323,507,914.62 × 79,346,701.24
  4. Step 4: Simplify right side
    215,693,204.20x = 25,669,285,850,128,568
  5. Step 5: Solve for x
    x = 25,669,285,850,128,568/215,693,204.20
  6. Step 6: Final answer
    x = 119,008,319.92

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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.