Home / 196,391,687.72-294,254,170.02-118,504,940.36

Finding the Fourth Proportional to 196,391,687.72, 294,254,170.02 and 118,504,940.36

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Solution

The fourth proportional to 196,391,687.72, 294,254,170.02 and 118,504,940.36 is: 177,556,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,391,687.72 : 294,254,170.02 = 118,504,940.36 : x
  2. Step 2: Convert to fraction form
    196,391,687.72/294,254,170.02 = 118,504,940.36/x
  3. Step 3: Cross multiply
    196,391,687.72x = 294,254,170.02 × 118,504,940.36
  4. Step 4: Simplify right side
    196,391,687.72x = 34,870,572,867,430,128
  5. Step 5: Solve for x
    x = 34,870,572,867,430,128/196,391,687.72
  6. Step 6: Final answer
    x = 177,556,256.44

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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.