Finding the Fourth Proportional to 61,198,022.14, 84,455,343.32 and 33,321,813.46
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Solution
The fourth proportional to 61,198,022.14, 84,455,343.32 and 33,321,813.46 is: 45,985,231.18
Step by Step Solution
- Step 1: Write the proportion equation
61,198,022.14 : 84,455,343.32 = 33,321,813.46 : x - Step 2: Convert to fraction form
61,198,022.14/84,455,343.32 = 33,321,813.46/x - Step 3: Cross multiply
61,198,022.14x = 84,455,343.32 × 33,321,813.46 - Step 4: Simplify right side
61,198,022.14x = 2,814,205,195,809,297 - Step 5: Solve for x
x = 2,814,205,195,809,297/61,198,022.14 - Step 6: Final answer
x = 45,985,231.18
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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.