Finding the Fourth Proportional to 189,239,665.01, 261,149,218.97 and 109,862,091.77
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Solution
The fourth proportional to 189,239,665.01, 261,149,218.97 and 109,862,091.77 is: 151,608,804.94
Step by Step Solution
- Step 1: Write the proportion equation
189,239,665.01 : 261,149,218.97 = 109,862,091.77 : x - Step 2: Convert to fraction form
189,239,665.01/261,149,218.97 = 109,862,091.77/x - Step 3: Cross multiply
189,239,665.01x = 261,149,218.97 × 109,862,091.77 - Step 4: Simplify right side
189,239,665.01x = 28,690,399,458,290,908 - Step 5: Solve for x
x = 28,690,399,458,290,908/189,239,665.01 - Step 6: Final answer
x = 151,608,804.94
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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.