Finding the Fourth Proportional to 116,542,845.79, 160,832,933.76 and 63,622,375.23
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Solution
The fourth proportional to 116,542,845.79, 160,832,933.76 and 63,622,375.23 is: 87,800,955.88
Step by Step Solution
- Step 1: Write the proportion equation
116,542,845.79 : 160,832,933.76 = 63,622,375.23 : x - Step 2: Convert to fraction form
116,542,845.79/160,832,933.76 = 63,622,375.23/x - Step 3: Cross multiply
116,542,845.79x = 160,832,933.76 × 63,622,375.23 - Step 4: Simplify right side
116,542,845.79x = 10,232,573,261,020,454 - Step 5: Solve for x
x = 10,232,573,261,020,454/116,542,845.79 - Step 6: Final answer
x = 87,800,955.88
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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.