Finding the Fourth Proportional to 177,087,168.48, 265,085,941.05 and 115,543,809.12
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Solution
The fourth proportional to 177,087,168.48, 265,085,941.05 and 115,543,809.12 is: 172,960,241.20
Step by Step Solution
- Step 1: Write the proportion equation
177,087,168.48 : 265,085,941.05 = 115,543,809.12 : x - Step 2: Convert to fraction form
177,087,168.48/265,085,941.05 = 115,543,809.12/x - Step 3: Cross multiply
177,087,168.48x = 265,085,941.05 × 115,543,809.12 - Step 4: Simplify right side
177,087,168.48x = 30,629,039,373,076,776 - Step 5: Solve for x
x = 30,629,039,373,076,776/177,087,168.48 - Step 6: Final answer
x = 172,960,241.20
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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.