Home / 162,384,976.40-243,577,464.60-131,773,974.80

Finding the Fourth Proportional to 162,384,976.40, 243,577,464.60 and 131,773,974.80

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Solution

The fourth proportional to 162,384,976.40, 243,577,464.60 and 131,773,974.80 is: 197,660,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,384,976.40 : 243,577,464.60 = 131,773,974.80 : x
  2. Step 2: Convert to fraction form
    162,384,976.40/243,577,464.60 = 131,773,974.80/x
  3. Step 3: Cross multiply
    162,384,976.40x = 243,577,464.60 × 131,773,974.80
  4. Step 4: Simplify right side
    162,384,976.40x = 32,097,170,682,048,292
  5. Step 5: Solve for x
    x = 32,097,170,682,048,292/162,384,976.40
  6. Step 6: Final answer
    x = 197,660,962.20

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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.