Home / 194,061,769.90-291,098,564.20-75,881,811.80

Finding the Fourth Proportional to 194,061,769.90, 291,098,564.20 and 75,881,811.80

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Solution

The fourth proportional to 194,061,769.90, 291,098,564.20 and 75,881,811.80 is: 113,825,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,061,769.90 : 291,098,564.20 = 75,881,811.80 : x
  2. Step 2: Convert to fraction form
    194,061,769.90/291,098,564.20 = 75,881,811.80/x
  3. Step 3: Cross multiply
    194,061,769.90x = 291,098,564.20 × 75,881,811.80
  4. Step 4: Simplify right side
    194,061,769.90x = 22,089,086,463,874,616
  5. Step 5: Solve for x
    x = 22,089,086,463,874,616/194,061,769.90
  6. Step 6: Final answer
    x = 113,825,028.37

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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.