Home / 202,136,937.80-303,204,422.55-79,228,412.60

Finding the Fourth Proportional to 202,136,937.80, 303,204,422.55 and 79,228,412.60

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Solution

The fourth proportional to 202,136,937.80, 303,204,422.55 and 79,228,412.60 is: 118,842,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,136,937.80 : 303,204,422.55 = 79,228,412.60 : x
  2. Step 2: Convert to fraction form
    202,136,937.80/303,204,422.55 = 79,228,412.60/x
  3. Step 3: Cross multiply
    202,136,937.80x = 303,204,422.55 × 79,228,412.60
  4. Step 4: Simplify right side
    202,136,937.80x = 24,022,405,091,936,144
  5. Step 5: Solve for x
    x = 24,022,405,091,936,144/202,136,937.80
  6. Step 6: Final answer
    x = 118,842,233.16

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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.