Finding the Fourth Proportional to 134,136,390.40, 201,204,585.60 and 47,877,611.20
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Solution
The fourth proportional to 134,136,390.40, 201,204,585.60 and 47,877,611.20 is: 71,816,416.80
Step by Step Solution
- Step 1: Write the proportion equation
134,136,390.40 : 201,204,585.60 = 47,877,611.20 : x - Step 2: Convert to fraction form
134,136,390.40/201,204,585.60 = 47,877,611.20/x - Step 3: Cross multiply
134,136,390.40x = 201,204,585.60 × 47,877,611.20 - Step 4: Simplify right side
134,136,390.40x = 9,633,194,921,013,920 - Step 5: Solve for x
x = 9,633,194,921,013,920/134,136,390.40 - Step 6: Final answer
x = 71,816,416.80
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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.