Home / 298,362,146.10-411,685,103.43-166,199,853.66

Finding the Fourth Proportional to 298,362,146.10, 411,685,103.43 and 166,199,853.66

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Solution

The fourth proportional to 298,362,146.10, 411,685,103.43 and 166,199,853.66 is: 229,325,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,362,146.10 : 411,685,103.43 = 166,199,853.66 : x
  2. Step 2: Convert to fraction form
    298,362,146.10/411,685,103.43 = 166,199,853.66/x
  3. Step 3: Cross multiply
    298,362,146.10x = 411,685,103.43 × 166,199,853.66
  4. Step 4: Simplify right side
    298,362,146.10x = 68,422,003,944,067,960
  5. Step 5: Solve for x
    x = 68,422,003,944,067,960/298,362,146.10
  6. Step 6: Final answer
    x = 229,325,351.22

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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.