Home / 288,188,193.96-397,669,189.86-162,732,786.12

Finding the Fourth Proportional to 288,188,193.96, 397,669,189.86 and 162,732,786.12

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Solution

The fourth proportional to 288,188,193.96, 397,669,189.86 and 162,732,786.12 is: 224,554,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,188,193.96 : 397,669,189.86 = 162,732,786.12 : x
  2. Step 2: Convert to fraction form
    288,188,193.96/397,669,189.86 = 162,732,786.12/x
  3. Step 3: Cross multiply
    288,188,193.96x = 397,669,189.86 × 162,732,786.12
  4. Step 4: Simplify right side
    288,188,193.96x = 64,713,815,220,001,056
  5. Step 5: Solve for x
    x = 64,713,815,220,001,056/288,188,193.96
  6. Step 6: Final answer
    x = 224,554,012.19

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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.