Finding the Fourth Proportional to 122,501,310, 169,049,669.97 and 66,747,191.90
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Solution
The fourth proportional to 122,501,310, 169,049,669.97 and 66,747,191.90 is: 92,109,959.99
Step by Step Solution
- Step 1: Write the proportion equation
122,501,310 : 169,049,669.97 = 66,747,191.90 : x - Step 2: Convert to fraction form
122,501,310/169,049,669.97 = 66,747,191.90/x - Step 3: Cross multiply
122,501,310x = 169,049,669.97 × 66,747,191.90 - Step 4: Simplify right side
122,501,310x = 11,283,590,762,541,882 - Step 5: Solve for x
x = 11,283,590,762,541,882/122,501,310 - Step 6: Final answer
x = 92,109,959.99
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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.