Home / 213,338,201.44-320,004,968.64-51,780,137.44

Finding the Fourth Proportional to 213,338,201.44, 320,004,968.64 and 51,780,137.44

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Solution

The fourth proportional to 213,338,201.44, 320,004,968.64 and 51,780,137.44 is: 77,669,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,338,201.44 : 320,004,968.64 = 51,780,137.44 : x
  2. Step 2: Convert to fraction form
    213,338,201.44/320,004,968.64 = 51,780,137.44/x
  3. Step 3: Cross multiply
    213,338,201.44x = 320,004,968.64 × 51,780,137.44
  4. Step 4: Simplify right side
    213,338,201.44x = 16,569,901,257,662,088
  5. Step 5: Solve for x
    x = 16,569,901,257,662,088/213,338,201.44
  6. Step 6: Final answer
    x = 77,669,639.78

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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.