Home / 208,582,353.72-313,383,636.42-196,980,354.36

Finding the Fourth Proportional to 208,582,353.72, 313,383,636.42 and 196,980,354.36

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Solution

The fourth proportional to 208,582,353.72, 313,383,636.42 and 196,980,354.36 is: 295,952,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,582,353.72 : 313,383,636.42 = 196,980,354.36 : x
  2. Step 2: Convert to fraction form
    208,582,353.72/313,383,636.42 = 196,980,354.36/x
  3. Step 3: Cross multiply
    208,582,353.72x = 313,383,636.42 × 196,980,354.36
  4. Step 4: Simplify right side
    208,582,353.72x = 61,730,419,752,637,008
  5. Step 5: Solve for x
    x = 61,730,419,752,637,008/208,582,353.72
  6. Step 6: Final answer
    x = 295,952,263.71

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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.