Finding the Fourth Proportional to 252,205,305.62, 378,294,500.10 and 67,969,825.70
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Solution
The fourth proportional to 252,205,305.62, 378,294,500.10 and 67,969,825.70 is: 101,951,111.50
Step by Step Solution
- Step 1: Write the proportion equation
252,205,305.62 : 378,294,500.10 = 67,969,825.70 : x - Step 2: Convert to fraction form
252,205,305.62/378,294,500.10 = 67,969,825.70/x - Step 3: Cross multiply
252,205,305.62x = 378,294,500.10 × 67,969,825.70 - Step 4: Simplify right side
252,205,305.62x = 25,712,611,235,065,636 - Step 5: Solve for x
x = 25,712,611,235,065,636/252,205,305.62 - Step 6: Final answer
x = 101,951,111.50
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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.