Finding the Fourth Proportional to 71,556,136.20, 107,334,204.30 and 66,737,737.80
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Solution
The fourth proportional to 71,556,136.20, 107,334,204.30 and 66,737,737.80 is: 100,106,606.70
Step by Step Solution
- Step 1: Write the proportion equation
71,556,136.20 : 107,334,204.30 = 66,737,737.80 : x - Step 2: Convert to fraction form
71,556,136.20/107,334,204.30 = 66,737,737.80/x - Step 3: Cross multiply
71,556,136.20x = 107,334,204.30 × 66,737,737.80 - Step 4: Simplify right side
71,556,136.20x = 7,163,241,983,545,032 - Step 5: Solve for x
x = 7,163,241,983,545,032/71,556,136.20 - Step 6: Final answer
x = 100,106,606.70
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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.