Finding the Fourth Proportional to 116,953,668.70, 161,397,338.27 and 64,743,576.26
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Solution
The fourth proportional to 116,953,668.70, 161,397,338.27 and 64,743,576.26 is: 89,346,841.31
Step by Step Solution
- Step 1: Write the proportion equation
116,953,668.70 : 161,397,338.27 = 64,743,576.26 : x - Step 2: Convert to fraction form
116,953,668.70/161,397,338.27 = 64,743,576.26/x - Step 3: Cross multiply
116,953,668.70x = 161,397,338.27 × 64,743,576.26 - Step 4: Simplify right side
116,953,668.70x = 10,449,440,877,541,142 - Step 5: Solve for x
x = 10,449,440,877,541,142/116,953,668.70 - Step 6: Final answer
x = 89,346,841.31
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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.