Finding the Fourth Proportional to 136,305,266.11, 188,100,523.21 and 74,425,161.80
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Solution
The fourth proportional to 136,305,266.11, 188,100,523.21 and 74,425,161.80 is: 102,706,317.03
Step by Step Solution
- Step 1: Write the proportion equation
136,305,266.11 : 188,100,523.21 = 74,425,161.80 : x - Step 2: Convert to fraction form
136,305,266.11/188,100,523.21 = 74,425,161.80/x - Step 3: Cross multiply
136,305,266.11x = 188,100,523.21 × 74,425,161.80 - Step 4: Simplify right side
136,305,266.11x = 13,999,411,874,568,906 - Step 5: Solve for x
x = 13,999,411,874,568,906/136,305,266.11 - Step 6: Final answer
x = 102,706,317.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.