Finding the Fourth Proportional to 186,770,157.14, 280,580,388.50 and 135,114,091.94
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Solution
The fourth proportional to 186,770,157.14, 280,580,388.50 and 135,114,091.94 is: 202,978,703.81
Step by Step Solution
- Step 1: Write the proportion equation
186,770,157.14 : 280,580,388.50 = 135,114,091.94 : x - Step 2: Convert to fraction form
186,770,157.14/280,580,388.50 = 135,114,091.94/x - Step 3: Cross multiply
186,770,157.14x = 280,580,388.50 × 135,114,091.94 - Step 4: Simplify right side
186,770,157.14x = 37,910,364,406,271,448 - Step 5: Solve for x
x = 37,910,364,406,271,448/186,770,157.14 - Step 6: Final answer
x = 202,978,703.81
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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.