Finding the Fourth Proportional to 71,696,344.51, 107,136,369.63 and 53,833,593.50
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Solution
The fourth proportional to 71,696,344.51, 107,136,369.63 and 53,833,593.50 is: 80,443,930.73
Step by Step Solution
- Step 1: Write the proportion equation
71,696,344.51 : 107,136,369.63 = 53,833,593.50 : x - Step 2: Convert to fraction form
71,696,344.51/107,136,369.63 = 53,833,593.50/x - Step 3: Cross multiply
71,696,344.51x = 107,136,369.63 × 53,833,593.50 - Step 4: Simplify right side
71,696,344.51x = 5,767,535,771,593,245 - Step 5: Solve for x
x = 5,767,535,771,593,245/71,696,344.51 - Step 6: Final answer
x = 80,443,930.73
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.