Finding the Fourth Proportional to 112,176,751.68, 168,265,128.96 and 27,076,207.68
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Solution
The fourth proportional to 112,176,751.68, 168,265,128.96 and 27,076,207.68 is: 40,614,311.87
Step by Step Solution
- Step 1: Write the proportion equation
112,176,751.68 : 168,265,128.96 = 27,076,207.68 : x - Step 2: Convert to fraction form
112,176,751.68/168,265,128.96 = 27,076,207.68/x - Step 3: Cross multiply
112,176,751.68x = 168,265,128.96 × 27,076,207.68 - Step 4: Simplify right side
112,176,751.68x = 4,555,981,577,022,943 - Step 5: Solve for x
x = 4,555,981,577,022,943/112,176,751.68 - Step 6: Final answer
x = 40,614,311.87
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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.