Home / 219,909,704.40-329,864,556.60-112,190,331.60

Finding the Fourth Proportional to 219,909,704.40, 329,864,556.60 and 112,190,331.60

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Solution

The fourth proportional to 219,909,704.40, 329,864,556.60 and 112,190,331.60 is: 168,285,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,909,704.40 : 329,864,556.60 = 112,190,331.60 : x
  2. Step 2: Convert to fraction form
    219,909,704.40/329,864,556.60 = 112,190,331.60/x
  3. Step 3: Cross multiply
    219,909,704.40x = 329,864,556.60 × 112,190,331.60
  4. Step 4: Simplify right side
    219,909,704.40x = 37,007,613,988,040,968
  5. Step 5: Solve for x
    x = 37,007,613,988,040,968/219,909,704.40
  6. Step 6: Final answer
    x = 168,285,497.40

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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.