Home / 132,945,189.60-183,494,972.40-77,958,760.80

Finding the Fourth Proportional to 132,945,189.60, 183,494,972.40 and 77,958,760.80

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Solution

The fourth proportional to 132,945,189.60, 183,494,972.40 and 77,958,760.80 is: 107,601,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945,189.60 : 183,494,972.40 = 77,958,760.80 : x
  2. Step 2: Convert to fraction form
    132,945,189.60/183,494,972.40 = 77,958,760.80/x
  3. Step 3: Cross multiply
    132,945,189.60x = 183,494,972.40 × 77,958,760.80
  4. Step 4: Simplify right side
    132,945,189.60x = 14,305,040,661,334,202
  5. Step 5: Solve for x
    x = 14,305,040,661,334,202/132,945,189.60
  6. Step 6: Final answer
    x = 107,601,039.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.