Home / 168,339,933.20-252,509,899.80-163,301,085.20

Finding the Fourth Proportional to 168,339,933.20, 252,509,899.80 and 163,301,085.20

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Solution

The fourth proportional to 168,339,933.20, 252,509,899.80 and 163,301,085.20 is: 244,951,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,339,933.20 : 252,509,899.80 = 163,301,085.20 : x
  2. Step 2: Convert to fraction form
    168,339,933.20/252,509,899.80 = 163,301,085.20/x
  3. Step 3: Cross multiply
    168,339,933.20x = 252,509,899.80 × 163,301,085.20
  4. Step 4: Simplify right side
    168,339,933.20x = 41,235,140,661,083,264
  5. Step 5: Solve for x
    x = 41,235,140,661,083,264/168,339,933.20
  6. Step 6: Final answer
    x = 244,951,627.80

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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.