Home / 196,320,020.80-294,480,031.20-123,760,609.60

Finding the Fourth Proportional to 196,320,020.80, 294,480,031.20 and 123,760,609.60

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Solution

The fourth proportional to 196,320,020.80, 294,480,031.20 and 123,760,609.60 is: 185,640,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,320,020.80 : 294,480,031.20 = 123,760,609.60 : x
  2. Step 2: Convert to fraction form
    196,320,020.80/294,480,031.20 = 123,760,609.60/x
  3. Step 3: Cross multiply
    196,320,020.80x = 294,480,031.20 × 123,760,609.60
  4. Step 4: Simplify right side
    196,320,020.80x = 36,445,028,176,339,016
  5. Step 5: Solve for x
    x = 36,445,028,176,339,016/196,320,020.80
  6. Step 6: Final answer
    x = 185,640,914.40

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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.