Finding the Fourth Proportional to 173,877,424.40, 260,816,136.60 and 130,511,838.80
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Solution
The fourth proportional to 173,877,424.40, 260,816,136.60 and 130,511,838.80 is: 195,767,758.20
Step by Step Solution
- Step 1: Write the proportion equation
173,877,424.40 : 260,816,136.60 = 130,511,838.80 : x - Step 2: Convert to fraction form
173,877,424.40/260,816,136.60 = 130,511,838.80/x - Step 3: Cross multiply
173,877,424.40x = 260,816,136.60 × 130,511,838.80 - Step 4: Simplify right side
173,877,424.40x = 34,039,593,576,377,980 - Step 5: Solve for x
x = 34,039,593,576,377,980/173,877,424.40 - Step 6: Final answer
x = 195,767,758.20
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1.5x scale
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.