Finding the Fourth Proportional to 96,232,330.20, 144,348,495.30 and 80,076,523.80
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Solution
The fourth proportional to 96,232,330.20, 144,348,495.30 and 80,076,523.80 is: 120,114,785.70
Step by Step Solution
- Step 1: Write the proportion equation
96,232,330.20 : 144,348,495.30 = 80,076,523.80 : x - Step 2: Convert to fraction form
96,232,330.20/144,348,495.30 = 80,076,523.80/x - Step 3: Cross multiply
96,232,330.20x = 144,348,495.30 × 80,076,523.80 - Step 4: Simplify right side
96,232,330.20x = 11,558,925,719,384,638 - Step 5: Solve for x
x = 11,558,925,719,384,638/96,232,330.20 - Step 6: Final answer
x = 120,114,785.70
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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.