Home / 278,170,295.70-417,530,057.31-208,841,968.02

Finding the Fourth Proportional to 278,170,295.70, 417,530,057.31 and 208,841,968.02

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Solution

The fourth proportional to 278,170,295.70, 417,530,057.31 and 208,841,968.02 is: 313,469,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,170,295.70 : 417,530,057.31 = 208,841,968.02 : x
  2. Step 2: Convert to fraction form
    278,170,295.70/417,530,057.31 = 208,841,968.02/x
  3. Step 3: Cross multiply
    278,170,295.70x = 417,530,057.31 × 208,841,968.02
  4. Step 4: Simplify right side
    278,170,295.70x = 87,197,798,876,123,792
  5. Step 5: Solve for x
    x = 87,197,798,876,123,792/278,170,295.70
  6. Step 6: Final answer
    x = 313,469,123.86

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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.