Finding the Fourth Proportional to 228,907,462.72, 343,512,451.68 and 107,773,556.80
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Solution
The fourth proportional to 228,907,462.72, 343,512,451.68 and 107,773,556.80 is: 161,731,549.87
Step by Step Solution
- Step 1: Write the proportion equation
228,907,462.72 : 343,512,451.68 = 107,773,556.80 : x - Step 2: Convert to fraction form
228,907,462.72/343,512,451.68 = 107,773,556.80/x - Step 3: Cross multiply
228,907,462.72x = 343,512,451.68 × 107,773,556.80 - Step 4: Simplify right side
228,907,462.72x = 37,021,558,722,641,736 - Step 5: Solve for x
x = 37,021,558,722,641,736/228,907,462.72 - Step 6: Final answer
x = 161,731,549.87
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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.