Home / 343,591,946.89-515,321,403.87-133,502,272.54

Finding the Fourth Proportional to 343,591,946.89, 515,321,403.87 and 133,502,272.54

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Solution

The fourth proportional to 343,591,946.89, 515,321,403.87 and 133,502,272.54 is: 200,227,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,591,946.89 : 515,321,403.87 = 133,502,272.54 : x
  2. Step 2: Convert to fraction form
    343,591,946.89/515,321,403.87 = 133,502,272.54/x
  3. Step 3: Cross multiply
    343,591,946.89x = 515,321,403.87 × 133,502,272.54
  4. Step 4: Simplify right side
    343,591,946.89x = 68,796,578,505,148,152
  5. Step 5: Solve for x
    x = 68,796,578,505,148,152/343,591,946.89
  6. Step 6: Final answer
    x = 200,227,563.91

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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.