Home / 163,313,999.70-244,970,999.55-81,684,662.10

Finding the Fourth Proportional to 163,313,999.70, 244,970,999.55 and 81,684,662.10

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Solution

The fourth proportional to 163,313,999.70, 244,970,999.55 and 81,684,662.10 is: 122,526,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,313,999.70 : 244,970,999.55 = 81,684,662.10 : x
  2. Step 2: Convert to fraction form
    163,313,999.70/244,970,999.55 = 81,684,662.10/x
  3. Step 3: Cross multiply
    163,313,999.70x = 244,970,999.55 × 81,684,662.10
  4. Step 4: Simplify right side
    163,313,999.70x = 20,010,373,322,541,000
  5. Step 5: Solve for x
    x = 20,010,373,322,541,000/163,313,999.70
  6. Step 6: Final answer
    x = 122,526,993.15

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1.5x scale

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.