Finding the Fourth Proportional to 167,918,204.61, 231,716,928.72 and 92,561,229.99
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Solution
The fourth proportional to 167,918,204.61, 231,716,928.72 and 92,561,229.99 is: 127,728,878.36
Step by Step Solution
- Step 1: Write the proportion equation
167,918,204.61 : 231,716,928.72 = 92,561,229.99 : x - Step 2: Convert to fraction form
167,918,204.61/231,716,928.72 = 92,561,229.99/x - Step 3: Cross multiply
167,918,204.61x = 231,716,928.72 × 92,561,229.99 - Step 4: Simplify right side
167,918,204.61x = 21,448,003,931,828,356 - Step 5: Solve for x
x = 21,448,003,931,828,356/167,918,204.61 - Step 6: Final answer
x = 127,728,878.36
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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.