Finding the Fourth Proportional to 103,997,194.72, 143,514,364.17 and 57,586,452.19
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Solution
The fourth proportional to 103,997,194.72, 143,514,364.17 and 57,586,452.19 is: 79,468,326.94
Step by Step Solution
- Step 1: Write the proportion equation
103,997,194.72 : 143,514,364.17 = 57,586,452.19 : x - Step 2: Convert to fraction form
103,997,194.72/143,514,364.17 = 57,586,452.19/x - Step 3: Cross multiply
103,997,194.72x = 143,514,364.17 × 57,586,452.19 - Step 4: Simplify right side
103,997,194.72x = 8,264,483,070,711,118 - Step 5: Solve for x
x = 8,264,483,070,711,118/103,997,194.72 - Step 6: Final answer
x = 79,468,326.94
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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.