Finding the Fourth Proportional to 61,743,942.66, 92,629,887.11 and 20,802,269.31
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Solution
The fourth proportional to 61,743,942.66, 92,629,887.11 and 20,802,269.31 is: 31,208,111.67
Step by Step Solution
- Step 1: Write the proportion equation
61,743,942.66 : 92,629,887.11 = 20,802,269.31 : x - Step 2: Convert to fraction form
61,743,942.66/92,629,887.11 = 20,802,269.31/x - Step 3: Cross multiply
61,743,942.66x = 92,629,887.11 × 20,802,269.31 - Step 4: Simplify right side
61,743,942.66x = 1,926,911,857,713,106.25 - Step 5: Solve for x
x = 1,926,911,857,713,106.25/61,743,942.66 - Step 6: Final answer
x = 31,208,111.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.