Home / 196,991,999.70-295,487,999.55-115,362,662.10

Finding the Fourth Proportional to 196,991,999.70, 295,487,999.55 and 115,362,662.10

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Solution

The fourth proportional to 196,991,999.70, 295,487,999.55 and 115,362,662.10 is: 173,043,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,991,999.70 : 295,487,999.55 = 115,362,662.10 : x
  2. Step 2: Convert to fraction form
    196,991,999.70/295,487,999.55 = 115,362,662.10/x
  3. Step 3: Cross multiply
    196,991,999.70x = 295,487,999.55 × 115,362,662.10
  4. Step 4: Simplify right side
    196,991,999.70x = 34,088,282,246,691,600
  5. Step 5: Solve for x
    x = 34,088,282,246,691,600/196,991,999.70
  6. Step 6: Final answer
    x = 173,043,993.15

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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.