Finding the Fourth Proportional to 155,086,464.11, 214,015,634.12 and 84,524,302.31
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Solution
The fourth proportional to 155,086,464.11, 214,015,634.12 and 84,524,302.31 is: 116,641,528.07
Step by Step Solution
- Step 1: Write the proportion equation
155,086,464.11 : 214,015,634.12 = 84,524,302.31 : x - Step 2: Convert to fraction form
155,086,464.11/214,015,634.12 = 84,524,302.31/x - Step 3: Cross multiply
155,086,464.11x = 214,015,634.12 × 84,524,302.31 - Step 4: Simplify right side
155,086,464.11x = 18,089,522,156,566,464 - Step 5: Solve for x
x = 18,089,522,156,566,464/155,086,464.11 - Step 6: Final answer
x = 116,641,528.07
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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.