Home / 220,914,188.52-331,371,273.14-209,867,596.86

Finding the Fourth Proportional to 220,914,188.52, 331,371,273.14 and 209,867,596.86

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Solution

The fourth proportional to 220,914,188.52, 331,371,273.14 and 209,867,596.86 is: 314,801,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,914,188.52 : 331,371,273.14 = 209,867,596.86 : x
  2. Step 2: Convert to fraction form
    220,914,188.52/331,371,273.14 = 209,867,596.86/x
  3. Step 3: Cross multiply
    220,914,188.52x = 331,371,273.14 × 209,867,596.86
  4. Step 4: Simplify right side
    220,914,188.52x = 69,544,092,762,330,472
  5. Step 5: Solve for x
    x = 69,544,092,762,330,472/220,914,188.52
  6. Step 6: Final answer
    x = 314,801,386.13

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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.