Home / 220,849,682.40-331,274,523.60-159,308,814.60

Finding the Fourth Proportional to 220,849,682.40, 331,274,523.60 and 159,308,814.60

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Solution

The fourth proportional to 220,849,682.40, 331,274,523.60 and 159,308,814.60 is: 238,963,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,849,682.40 : 331,274,523.60 = 159,308,814.60 : x
  2. Step 2: Convert to fraction form
    220,849,682.40/331,274,523.60 = 159,308,814.60/x
  3. Step 3: Cross multiply
    220,849,682.40x = 331,274,523.60 × 159,308,814.60
  4. Step 4: Simplify right side
    220,849,682.40x = 52,774,951,661,895,728
  5. Step 5: Solve for x
    x = 52,774,951,661,895,728/220,849,682.40
  6. Step 6: Final answer
    x = 238,963,221.90

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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.