Home / 213,645,086.52-320,457,999.66-89,096,427.96

Finding the Fourth Proportional to 213,645,086.52, 320,457,999.66 and 89,096,427.96

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Solution

The fourth proportional to 213,645,086.52, 320,457,999.66 and 89,096,427.96 is: 133,640,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,645,086.52 : 320,457,999.66 = 89,096,427.96 : x
  2. Step 2: Convert to fraction form
    213,645,086.52/320,457,999.66 = 89,096,427.96/x
  3. Step 3: Cross multiply
    213,645,086.52x = 320,457,999.66 × 89,096,427.96
  4. Step 4: Simplify right side
    213,645,086.52x = 28,551,663,080,912,896
  5. Step 5: Solve for x
    x = 28,551,663,080,912,896/213,645,086.52
  6. Step 6: Final answer
    x = 133,640,625.89

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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.