Home / 285,836,487.42-428,775,224.24-119,672,781.24

Finding the Fourth Proportional to 285,836,487.42, 428,775,224.24 and 119,672,781.24

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Solution

The fourth proportional to 285,836,487.42, 428,775,224.24 and 119,672,781.24 is: 179,517,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,836,487.42 : 428,775,224.24 = 119,672,781.24 : x
  2. Step 2: Convert to fraction form
    285,836,487.42/428,775,224.24 = 119,672,781.24/x
  3. Step 3: Cross multiply
    285,836,487.42x = 428,775,224.24 × 119,672,781.24
  4. Step 4: Simplify right side
    285,836,487.42x = 51,312,723,612,837,600
  5. Step 5: Solve for x
    x = 51,312,723,612,837,600/285,836,487.42
  6. Step 6: Final answer
    x = 179,517,751.83

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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.