Home / 168,339,937.20-252,509,905.80-163,301,089.20

Finding the Fourth Proportional to 168,339,937.20, 252,509,905.80 and 163,301,089.20

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Solution

The fourth proportional to 168,339,937.20, 252,509,905.80 and 163,301,089.20 is: 244,951,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,339,937.20 : 252,509,905.80 = 163,301,089.20 : x
  2. Step 2: Convert to fraction form
    168,339,937.20/252,509,905.80 = 163,301,089.20/x
  3. Step 3: Cross multiply
    168,339,937.20x = 252,509,905.80 × 163,301,089.20
  4. Step 4: Simplify right side
    168,339,937.20x = 41,235,142,650,929,400
  5. Step 5: Solve for x
    x = 41,235,142,650,929,400/168,339,937.20
  6. Step 6: Final answer
    x = 244,951,633.80

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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.