Home / 177,412,936.30-266,119,404.45-81,861,448.30

Finding the Fourth Proportional to 177,412,936.30, 266,119,404.45 and 81,861,448.30

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Solution

The fourth proportional to 177,412,936.30, 266,119,404.45 and 81,861,448.30 is: 122,792,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,412,936.30 : 266,119,404.45 = 81,861,448.30 : x
  2. Step 2: Convert to fraction form
    177,412,936.30/266,119,404.45 = 81,861,448.30/x
  3. Step 3: Cross multiply
    177,412,936.30x = 266,119,404.45 × 81,861,448.30
  4. Step 4: Simplify right side
    177,412,936.30x = 21,784,919,869,010,464
  5. Step 5: Solve for x
    x = 21,784,919,869,010,464/177,412,936.30
  6. Step 6: Final answer
    x = 122,792,172.45

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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.