Finding the Fourth Proportional to 144,841,277.21, 199,874,878.17 and 82,121,594.54
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Solution
The fourth proportional to 144,841,277.21, 199,874,878.17 and 82,121,594.54 is: 113,324,350.77
Step by Step Solution
- Step 1: Write the proportion equation
144,841,277.21 : 199,874,878.17 = 82,121,594.54 : x - Step 2: Convert to fraction form
144,841,277.21/199,874,878.17 = 82,121,594.54/x - Step 3: Cross multiply
144,841,277.21x = 199,874,878.17 × 82,121,594.54 - Step 4: Simplify right side
144,841,277.21x = 16,414,043,703,808,638 - Step 5: Solve for x
x = 16,414,043,703,808,638/144,841,277.21 - Step 6: Final answer
x = 113,324,350.77
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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.