Finding the Fourth Proportional to 79,424,173.68, 119,136,571.56 and 52,491,842.16
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Solution
The fourth proportional to 79,424,173.68, 119,136,571.56 and 52,491,842.16 is: 78,737,968.81
Step by Step Solution
- Step 1: Write the proportion equation
79,424,173.68 : 119,136,571.56 = 52,491,842.16 : x - Step 2: Convert to fraction form
79,424,173.68/119,136,571.56 = 52,491,842.16/x - Step 3: Cross multiply
79,424,173.68x = 119,136,571.56 × 52,491,842.16 - Step 4: Simplify right side
79,424,173.68x = 6,253,698,109,811,065 - Step 5: Solve for x
x = 6,253,698,109,811,065/79,424,173.68 - Step 6: Final answer
x = 78,737,968.81
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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.