Home / 298,362,147.60-411,685,105.50-166,199,855.16

Finding the Fourth Proportional to 298,362,147.60, 411,685,105.50 and 166,199,855.16

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Solution

The fourth proportional to 298,362,147.60, 411,685,105.50 and 166,199,855.16 is: 229,325,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,362,147.60 : 411,685,105.50 = 166,199,855.16 : x
  2. Step 2: Convert to fraction form
    298,362,147.60/411,685,105.50 = 166,199,855.16/x
  3. Step 3: Cross multiply
    298,362,147.60x = 411,685,105.50 × 166,199,855.16
  4. Step 4: Simplify right side
    298,362,147.60x = 68,422,004,905,629,320
  5. Step 5: Solve for x
    x = 68,422,004,905,629,320/298,362,147.60
  6. Step 6: Final answer
    x = 229,325,353.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.