Home / 168,497,114.40-252,745,671.60-82,290,823.20

Finding the Fourth Proportional to 168,497,114.40, 252,745,671.60 and 82,290,823.20

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Solution

The fourth proportional to 168,497,114.40, 252,745,671.60 and 82,290,823.20 is: 123,436,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497,114.40 : 252,745,671.60 = 82,290,823.20 : x
  2. Step 2: Convert to fraction form
    168,497,114.40/252,745,671.60 = 82,290,823.20/x
  3. Step 3: Cross multiply
    168,497,114.40x = 252,745,671.60 × 82,290,823.20
  4. Step 4: Simplify right side
    168,497,114.40x = 20,798,649,376,200,860
  5. Step 5: Solve for x
    x = 20,798,649,376,200,860/168,497,114.40
  6. Step 6: Final answer
    x = 123,436,234.80

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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.