Finding the Fourth Proportional to 55,147,424.70, 82,721,137.05 and 14,757,908.70
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Solution
The fourth proportional to 55,147,424.70, 82,721,137.05 and 14,757,908.70 is: 22,136,863.05
Step by Step Solution
- Step 1: Write the proportion equation
55,147,424.70 : 82,721,137.05 = 14,757,908.70 : x - Step 2: Convert to fraction form
55,147,424.70/82,721,137.05 = 14,757,908.70/x - Step 3: Cross multiply
55,147,424.70x = 82,721,137.05 × 14,757,908.70 - Step 4: Simplify right side
55,147,424.70x = 1,220,790,988,144,087.25 - Step 5: Solve for x
x = 1,220,790,988,144,087.25/55,147,424.70 - Step 6: Final answer
x = 22,136,863.05
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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.