Home / 220,816,021.92-331,288,962.48-65,373,781.92

Finding the Fourth Proportional to 220,816,021.92, 331,288,962.48 and 65,373,781.92

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Solution

The fourth proportional to 220,816,021.92, 331,288,962.48 and 65,373,781.92 is: 98,079,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,816,021.92 : 331,288,962.48 = 65,373,781.92 : x
  2. Step 2: Convert to fraction form
    220,816,021.92/331,288,962.48 = 65,373,781.92/x
  3. Step 3: Cross multiply
    220,816,021.92x = 331,288,962.48 × 65,373,781.92
  4. Step 4: Simplify right side
    220,816,021.92x = 21,657,612,385,670,584
  5. Step 5: Solve for x
    x = 21,657,612,385,670,584/220,816,021.92
  6. Step 6: Final answer
    x = 98,079,895.64

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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.