Finding the Fourth Proportional to 189,439,404.98, 261,426,273.81 and 106,933,902.26
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Solution
The fourth proportional to 189,439,404.98, 261,426,273.81 and 106,933,902.26 is: 147,568,725.81
Step by Step Solution
- Step 1: Write the proportion equation
189,439,404.98 : 261,426,273.81 = 106,933,902.26 : x - Step 2: Convert to fraction form
189,439,404.98/261,426,273.81 = 106,933,902.26/x - Step 3: Cross multiply
189,439,404.98x = 261,426,273.81 × 106,933,902.26 - Step 4: Simplify right side
189,439,404.98x = 27,955,331,611,794,540 - Step 5: Solve for x
x = 27,955,331,611,794,540/189,439,404.98 - Step 6: Final answer
x = 147,568,725.81
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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.