Finding the Fourth Proportional to 192,010,747.68, 264,975,530.80 and 103,904,737.39
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Solution
The fourth proportional to 192,010,747.68, 264,975,530.80 and 103,904,737.39 is: 143,388,915.85
Step by Step Solution
- Step 1: Write the proportion equation
192,010,747.68 : 264,975,530.80 = 103,904,737.39 : x - Step 2: Convert to fraction form
192,010,747.68/264,975,530.80 = 103,904,737.39/x - Step 3: Cross multiply
192,010,747.68x = 264,975,530.80 × 103,904,737.39 - Step 4: Simplify right side
192,010,747.68x = 27,532,212,941,326,452 - Step 5: Solve for x
x = 27,532,212,941,326,452/192,010,747.68 - Step 6: Final answer
x = 143,388,915.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.