Finding the Fourth Proportional to 176,728,817.12, 264,911,333.13 and 78,406,827.75
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Solution
The fourth proportional to 176,728,817.12, 264,911,333.13 and 78,406,827.75 is: 117,529,543.88
Step by Step Solution
- Step 1: Write the proportion equation
176,728,817.12 : 264,911,333.13 = 78,406,827.75 : x - Step 2: Convert to fraction form
176,728,817.12/264,911,333.13 = 78,406,827.75/x - Step 3: Cross multiply
176,728,817.12x = 264,911,333.13 × 78,406,827.75 - Step 4: Simplify right side
176,728,817.12x = 20,770,857,265,746,776 - Step 5: Solve for x
x = 20,770,857,265,746,776/176,728,817.12 - Step 6: Final answer
x = 117,529,543.88
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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.