Finding the Fourth Proportional to 115,343,791.53, 173,016,136.13 and 27,905,168.19
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Solution
The fourth proportional to 115,343,791.53, 173,016,136.13 and 27,905,168.19 is: 41,857,860.86
Step by Step Solution
- Step 1: Write the proportion equation
115,343,791.53 : 173,016,136.13 = 27,905,168.19 : x - Step 2: Convert to fraction form
115,343,791.53/173,016,136.13 = 27,905,168.19/x - Step 3: Cross multiply
115,343,791.53x = 173,016,136.13 × 27,905,168.19 - Step 4: Simplify right side
115,343,791.53x = 4,828,044,377,286,979 - Step 5: Solve for x
x = 4,828,044,377,286,979/115,343,791.53 - Step 6: Final answer
x = 41,857,860.86
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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.