Home / 149,321,887.39-206,076,469.55-82,353,945.07

Finding the Fourth Proportional to 149,321,887.39, 206,076,469.55 and 82,353,945.07

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Solution

The fourth proportional to 149,321,887.39, 206,076,469.55 and 82,353,945.07 is: 113,655,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,321,887.39 : 206,076,469.55 = 82,353,945.07 : x
  2. Step 2: Convert to fraction form
    149,321,887.39/206,076,469.55 = 82,353,945.07/x
  3. Step 3: Cross multiply
    149,321,887.39x = 206,076,469.55 × 82,353,945.07
  4. Step 4: Simplify right side
    149,321,887.39x = 16,971,210,253,386,054
  5. Step 5: Solve for x
    x = 16,971,210,253,386,054/149,321,887.39
  6. Step 6: Final answer
    x = 113,655,208.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.