Finding the Fourth Proportional to 157,628,114.94, 236,350,697.17 and 74,629,170.64
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Solution
The fourth proportional to 157,628,114.94, 236,350,697.17 and 74,629,170.64 is: 111,900,446.92
Step by Step Solution
- Step 1: Write the proportion equation
157,628,114.94 : 236,350,697.17 = 74,629,170.64 : x - Step 2: Convert to fraction form
157,628,114.94/236,350,697.17 = 74,629,170.64/x - Step 3: Cross multiply
157,628,114.94x = 236,350,697.17 × 74,629,170.64 - Step 4: Simplify right side
157,628,114.94x = 17,638,656,509,205,446 - Step 5: Solve for x
x = 17,638,656,509,205,446/157,628,114.94 - Step 6: Final answer
x = 111,900,446.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.