Finding the Fourth Proportional to 116,542,293.58, 160,827,804.39 and 64,330,872.53
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Solution
The fourth proportional to 116,542,293.58, 160,827,804.39 and 64,330,872.53 is: 88,776,294.56
Step by Step Solution
- Step 1: Write the proportion equation
116,542,293.58 : 160,827,804.39 = 64,330,872.53 : x - Step 2: Convert to fraction form
116,542,293.58/160,827,804.39 = 64,330,872.53/x - Step 3: Cross multiply
116,542,293.58x = 160,827,804.39 × 64,330,872.53 - Step 4: Simplify right side
116,542,293.58x = 10,346,192,983,492,864 - Step 5: Solve for x
x = 10,346,192,983,492,864/116,542,293.58 - Step 6: Final answer
x = 88,776,294.56
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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.