Finding the Fourth Proportional to 176,319,352.10, 263,903,520.24 and 129,620,476.10
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Solution
The fourth proportional to 176,319,352.10, 263,903,520.24 and 129,620,476.10 is: 194,007,631.78
Step by Step Solution
- Step 1: Write the proportion equation
176,319,352.10 : 263,903,520.24 = 129,620,476.10 : x - Step 2: Convert to fraction form
176,319,352.10/263,903,520.24 = 129,620,476.10/x - Step 3: Cross multiply
176,319,352.10x = 263,903,520.24 × 129,620,476.10 - Step 4: Simplify right side
176,319,352.10x = 34,207,299,936,655,268 - Step 5: Solve for x
x = 34,207,299,936,655,268/176,319,352.10 - Step 6: Final answer
x = 194,007,631.78
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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.