Home / 209,264,085.29-313,609,149.78-132,449,996.81

Finding the Fourth Proportional to 209,264,085.29, 313,609,149.78 and 132,449,996.81

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Solution

The fourth proportional to 209,264,085.29, 313,609,149.78 and 132,449,996.81 is: 198,493,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,264,085.29 : 313,609,149.78 = 132,449,996.81 : x
  2. Step 2: Convert to fraction form
    209,264,085.29/313,609,149.78 = 132,449,996.81/x
  3. Step 3: Cross multiply
    209,264,085.29x = 313,609,149.78 × 132,449,996.81
  4. Step 4: Simplify right side
    209,264,085.29x = 41,537,530,886,379,768
  5. Step 5: Solve for x
    x = 41,537,530,886,379,768/209,264,085.29
  6. Step 6: Final answer
    x = 198,493,357.47

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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.