Finding the Fourth Proportional to 79,348,999.39, 109,491,703.68 and 44,062,006.75
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Solution
The fourth proportional to 79,348,999.39, 109,491,703.68 and 44,062,006.75 is: 60,800,063.32
Step by Step Solution
- Step 1: Write the proportion equation
79,348,999.39 : 109,491,703.68 = 44,062,006.75 : x - Step 2: Convert to fraction form
79,348,999.39/109,491,703.68 = 44,062,006.75/x - Step 3: Cross multiply
79,348,999.39x = 109,491,703.68 × 44,062,006.75 - Step 4: Simplify right side
79,348,999.39x = 4,824,424,187,124,554 - Step 5: Solve for x
x = 4,824,424,187,124,554/79,348,999.39 - Step 6: Final answer
x = 60,800,063.32
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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.