Finding the Fourth Proportional to 151,631,031.39, 227,447,213.42 and 48,000,745.79
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Solution
The fourth proportional to 151,631,031.39, 227,447,213.42 and 48,000,745.79 is: 72,001,329.62
Step by Step Solution
- Step 1: Write the proportion equation
151,631,031.39 : 227,447,213.42 = 48,000,745.79 : x - Step 2: Convert to fraction form
151,631,031.39/227,447,213.42 = 48,000,745.79/x - Step 3: Cross multiply
151,631,031.39x = 227,447,213.42 × 48,000,745.79 - Step 4: Simplify right side
151,631,031.39x = 10,917,635,872,017,296 - Step 5: Solve for x
x = 10,917,635,872,017,296/151,631,031.39 - Step 6: Final answer
x = 72,001,329.62
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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.