Finding the Fourth Proportional to 75,476,156.96, 113,213,613.36 and 21,623,520.80
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Solution
The fourth proportional to 75,476,156.96, 113,213,613.36 and 21,623,520.80 is: 32,435,102.98
Step by Step Solution
- Step 1: Write the proportion equation
75,476,156.96 : 113,213,613.36 = 21,623,520.80 : x - Step 2: Convert to fraction form
75,476,156.96/113,213,613.36 = 21,623,520.80/x - Step 3: Cross multiply
75,476,156.96x = 113,213,613.36 × 21,623,520.80 - Step 4: Simplify right side
75,476,156.96x = 2,448,076,923,333,118 - Step 5: Solve for x
x = 2,448,076,923,333,118/75,476,156.96 - Step 6: Final answer
x = 32,435,102.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.