Finding the Fourth Proportional to 57,448,018.48, 79,277,879.08 and 32,668,214.96
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Solution
The fourth proportional to 57,448,018.48, 79,277,879.08 and 32,668,214.96 is: 45,081,916.90
Step by Step Solution
- Step 1: Write the proportion equation
57,448,018.48 : 79,277,879.08 = 32,668,214.96 : x - Step 2: Convert to fraction form
57,448,018.48/79,277,879.08 = 32,668,214.96/x - Step 3: Cross multiply
57,448,018.48x = 79,277,879.08 × 32,668,214.96 - Step 4: Simplify right side
57,448,018.48x = 2,589,866,795,358,327 - Step 5: Solve for x
x = 2,589,866,795,358,327/57,448,018.48 - Step 6: Final answer
x = 45,081,916.90
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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.