Home / 205,744,586.57-308,670,661.82-119,399,989.49

Finding the Fourth Proportional to 205,744,586.57, 308,670,661.82 and 119,399,989.49

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Solution

The fourth proportional to 205,744,586.57, 308,670,661.82 and 119,399,989.49 is: 179,131,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,744,586.57 : 308,670,661.82 = 119,399,989.49 : x
  2. Step 2: Convert to fraction form
    205,744,586.57/308,670,661.82 = 119,399,989.49/x
  3. Step 3: Cross multiply
    205,744,586.57x = 308,670,661.82 × 119,399,989.49
  4. Step 4: Simplify right side
    205,744,586.57x = 36,855,273,775,934,488
  5. Step 5: Solve for x
    x = 36,855,273,775,934,488/205,744,586.57
  6. Step 6: Final answer
    x = 179,131,195.58

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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.