Home / 126,014,773.80-189,022,160.70-54,351,157.80

Finding the Fourth Proportional to 126,014,773.80, 189,022,160.70 and 54,351,157.80

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Solution

The fourth proportional to 126,014,773.80, 189,022,160.70 and 54,351,157.80 is: 81,526,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,014,773.80 : 189,022,160.70 = 54,351,157.80 : x
  2. Step 2: Convert to fraction form
    126,014,773.80/189,022,160.70 = 54,351,157.80/x
  3. Step 3: Cross multiply
    126,014,773.80x = 189,022,160.70 × 54,351,157.80
  4. Step 4: Simplify right side
    126,014,773.80x = 10,273,573,283,902,658
  5. Step 5: Solve for x
    x = 10,273,573,283,902,658/126,014,773.80
  6. Step 6: Final answer
    x = 81,526,736.70

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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.