Finding the Fourth Proportional to 196,254,916.18, 270,833,575.49 and 108,152,074.99
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Solution
The fourth proportional to 196,254,916.18, 270,833,575.49 and 108,152,074.99 is: 149,250,850.55
Step by Step Solution
- Step 1: Write the proportion equation
196,254,916.18 : 270,833,575.49 = 108,152,074.99 : x - Step 2: Convert to fraction form
196,254,916.18/270,833,575.49 = 108,152,074.99/x - Step 3: Cross multiply
196,254,916.18x = 270,833,575.49 × 108,152,074.99 - Step 4: Simplify right side
196,254,916.18x = 29,291,213,164,309,380 - Step 5: Solve for x
x = 29,291,213,164,309,380/196,254,916.18 - Step 6: Final answer
x = 149,250,850.55
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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.