Finding the Fourth Proportional to 141,276,366.09, 194,917,567.88 and 82,496,629.53
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Solution
The fourth proportional to 141,276,366.09, 194,917,567.88 and 82,496,629.53 is: 113,819,762.16
Step by Step Solution
- Step 1: Write the proportion equation
141,276,366.09 : 194,917,567.88 = 82,496,629.53 : x - Step 2: Convert to fraction form
141,276,366.09/194,917,567.88 = 82,496,629.53/x - Step 3: Cross multiply
141,276,366.09x = 194,917,567.88 × 82,496,629.53 - Step 4: Simplify right side
141,276,366.09x = 16,080,042,386,491,228 - Step 5: Solve for x
x = 16,080,042,386,491,228/141,276,366.09 - Step 6: Final answer
x = 113,819,762.16
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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.