Finding the Fourth Proportional to 203,629,893.81, 281,149,842.57 and 190,620,218.13
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Solution
The fourth proportional to 203,629,893.81, 281,149,842.57 and 190,620,218.13 is: 263,187,508.05
Step by Step Solution
- Step 1: Write the proportion equation
203,629,893.81 : 281,149,842.57 = 190,620,218.13 : x - Step 2: Convert to fraction form
203,629,893.81/281,149,842.57 = 190,620,218.13/x - Step 3: Cross multiply
203,629,893.81x = 281,149,842.57 × 190,620,218.13 - Step 4: Simplify right side
203,629,893.81x = 53,592,844,315,549,712 - Step 5: Solve for x
x = 53,592,844,315,549,712/203,629,893.81 - Step 6: Final answer
x = 263,187,508.05
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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.