Home / 98,496,747.60-147,745,121.40-57,682,078.80

Finding the Fourth Proportional to 98,496,747.60, 147,745,121.40 and 57,682,078.80

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Solution

The fourth proportional to 98,496,747.60, 147,745,121.40 and 57,682,078.80 is: 86,523,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,747.60 : 147,745,121.40 = 57,682,078.80 : x
  2. Step 2: Convert to fraction form
    98,496,747.60/147,745,121.40 = 57,682,078.80/x
  3. Step 3: Cross multiply
    98,496,747.60x = 147,745,121.40 × 57,682,078.80
  4. Step 4: Simplify right side
    98,496,747.60x = 8,522,245,734,910,366
  5. Step 5: Solve for x
    x = 8,522,245,734,910,366/98,496,747.60
  6. Step 6: Final answer
    x = 86,523,118.20

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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.