Finding the Fourth Proportional to 167,801,249.28, 231,577,362.36 and 101,724,532.68
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Solution
The fourth proportional to 167,801,249.28, 231,577,362.36 and 101,724,532.68 is: 140,386,910.51
Step by Step Solution
- Step 1: Write the proportion equation
167,801,249.28 : 231,577,362.36 = 101,724,532.68 : x - Step 2: Convert to fraction form
167,801,249.28/231,577,362.36 = 101,724,532.68/x - Step 3: Cross multiply
167,801,249.28x = 231,577,362.36 × 101,724,532.68 - Step 4: Simplify right side
167,801,249.28x = 23,557,098,965,338,024 - Step 5: Solve for x
x = 23,557,098,965,338,024/167,801,249.28 - Step 6: Final answer
x = 140,386,910.51
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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.