Home / 339,072,147.20-508,608,220.80-83,770,515.20

Finding the Fourth Proportional to 339,072,147.20, 508,608,220.80 and 83,770,515.20

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Solution

The fourth proportional to 339,072,147.20, 508,608,220.80 and 83,770,515.20 is: 125,655,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,072,147.20 : 508,608,220.80 = 83,770,515.20 : x
  2. Step 2: Convert to fraction form
    339,072,147.20/508,608,220.80 = 83,770,515.20/x
  3. Step 3: Cross multiply
    339,072,147.20x = 508,608,220.80 × 83,770,515.20
  4. Step 4: Simplify right side
    339,072,147.20x = 42,606,372,691,371,360
  5. Step 5: Solve for x
    x = 42,606,372,691,371,360/339,072,147.20
  6. Step 6: Final answer
    x = 125,655,772.80

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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.