Finding the Fourth Proportional to 83,676,195.36, 115,451,704.26 and 48,848,872.86
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Solution
The fourth proportional to 83,676,195.36, 115,451,704.26 and 48,848,872.86 is: 67,398,925.09
Step by Step Solution
- Step 1: Write the proportion equation
83,676,195.36 : 115,451,704.26 = 48,848,872.86 : x - Step 2: Convert to fraction form
83,676,195.36/115,451,704.26 = 48,848,872.86/x - Step 3: Cross multiply
83,676,195.36x = 115,451,704.26 × 48,848,872.86 - Step 4: Simplify right side
83,676,195.36x = 5,639,685,622,867,061 - Step 5: Solve for x
x = 5,639,685,622,867,061/83,676,195.36 - Step 6: Final answer
x = 67,398,925.09
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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.