Finding the Fourth Proportional to 107,771,651.80, 161,657,477.70 and 107,771,651.80
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Solution
The fourth proportional to 107,771,651.80, 161,657,477.70 and 107,771,651.80 is: 161,657,477.70
Step by Step Solution
- Step 1: Write the proportion equation
107,771,651.80 : 161,657,477.70 = 107,771,651.80 : x - Step 2: Convert to fraction form
107,771,651.80/161,657,477.70 = 107,771,651.80/x - Step 3: Cross multiply
107,771,651.80x = 161,657,477.70 × 107,771,651.80 - Step 4: Simplify right side
107,771,651.80x = 17,422,093,397,550,664 - Step 5: Solve for x
x = 17,422,093,397,550,664/107,771,651.80 - Step 6: Final answer
x = 161,657,477.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.