Home / 165,081,886.35-247,622,829.53-162,530,969.55

Finding the Fourth Proportional to 165,081,886.35, 247,622,829.53 and 162,530,969.55

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Solution

The fourth proportional to 165,081,886.35, 247,622,829.53 and 162,530,969.55 is: 243,796,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,081,886.35 : 247,622,829.53 = 162,530,969.55 : x
  2. Step 2: Convert to fraction form
    165,081,886.35/247,622,829.53 = 162,530,969.55/x
  3. Step 3: Cross multiply
    165,081,886.35x = 247,622,829.53 × 162,530,969.55
  4. Step 4: Simplify right side
    165,081,886.35x = 40,246,378,565,412,616
  5. Step 5: Solve for x
    x = 40,246,378,565,412,616/165,081,886.35
  6. Step 6: Final answer
    x = 243,796,454.33

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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.