Finding the Fourth Proportional to 160,866,743.54, 221,989,569.26 and 91,250,629.74
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Solution
The fourth proportional to 160,866,743.54, 221,989,569.26 and 91,250,629.74 is: 125,922,161.07
Step by Step Solution
- Step 1: Write the proportion equation
160,866,743.54 : 221,989,569.26 = 91,250,629.74 : x - Step 2: Convert to fraction form
160,866,743.54/221,989,569.26 = 91,250,629.74/x - Step 3: Cross multiply
160,866,743.54x = 221,989,569.26 × 91,250,629.74 - Step 4: Simplify right side
160,866,743.54x = 20,256,687,990,230,092 - Step 5: Solve for x
x = 20,256,687,990,230,092/160,866,743.54 - Step 6: Final answer
x = 125,922,161.07
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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.