Finding the Fourth Proportional to 49,815,508.68, 68,746,619.70 and 27,788,851.44
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Solution
The fourth proportional to 49,815,508.68, 68,746,619.70 and 27,788,851.44 is: 38,349,294.28
Step by Step Solution
- Step 1: Write the proportion equation
49,815,508.68 : 68,746,619.70 = 27,788,851.44 : x - Step 2: Convert to fraction form
49,815,508.68/68,746,619.70 = 27,788,851.44/x - Step 3: Cross multiply
49,815,508.68x = 68,746,619.70 × 27,788,851.44 - Step 4: Simplify right side
49,815,508.68x = 1,910,389,601,845,477.50 - Step 5: Solve for x
x = 1,910,389,601,845,477.50/49,815,508.68 - Step 6: Final answer
x = 38,349,294.28
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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.