Finding the Fourth Proportional to 167,918,205.61, 231,716,930.10 and 92,561,230.99
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Solution
The fourth proportional to 167,918,205.61, 231,716,930.10 and 92,561,230.99 is: 127,728,879.74
Step by Step Solution
- Step 1: Write the proportion equation
167,918,205.61 : 231,716,930.10 = 92,561,230.99 : x - Step 2: Convert to fraction form
167,918,205.61/231,716,930.10 = 92,561,230.99/x - Step 3: Cross multiply
167,918,205.61x = 231,716,930.10 × 92,561,230.99 - Step 4: Simplify right side
167,918,205.61x = 21,448,004,291,279,784 - Step 5: Solve for x
x = 21,448,004,291,279,784/167,918,205.61 - Step 6: Final answer
x = 127,728,879.74
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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.