Home / 165,081,747.60-247,622,621.40-162,530,830.80

Finding the Fourth Proportional to 165,081,747.60, 247,622,621.40 and 162,530,830.80

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Solution

The fourth proportional to 165,081,747.60, 247,622,621.40 and 162,530,830.80 is: 243,796,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,081,747.60 : 247,622,621.40 = 162,530,830.80 : x
  2. Step 2: Convert to fraction form
    165,081,747.60/247,622,621.40 = 162,530,830.80/x
  3. Step 3: Cross multiply
    165,081,747.60x = 247,622,621.40 × 162,530,830.80
  4. Step 4: Simplify right side
    165,081,747.60x = 40,246,310,381,015,864
  5. Step 5: Solve for x
    x = 40,246,310,381,015,864/165,081,747.60
  6. Step 6: Final answer
    x = 243,796,246.20

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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.