Finding the Fourth Proportional to 251,374,578.65, 346,891,478.61 and 145,532,456.79
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Solution
The fourth proportional to 251,374,578.65, 346,891,478.61 and 145,532,456.79 is: 200,831,640.94
Step by Step Solution
- Step 1: Write the proportion equation
251,374,578.65 : 346,891,478.61 = 145,532,456.79 : x - Step 2: Convert to fraction form
251,374,578.65/346,891,478.61 = 145,532,456.79/x - Step 3: Cross multiply
251,374,578.65x = 346,891,478.61 × 145,532,456.79 - Step 4: Simplify right side
251,374,578.65x = 50,483,969,121,629,032 - Step 5: Solve for x
x = 50,483,969,121,629,032/251,374,578.65 - Step 6: Final answer
x = 200,831,640.94
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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.