Finding the Fourth Proportional to 59,972,138.98, 82,764,748.76 and 33,511,135.12
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Solution
The fourth proportional to 59,972,138.98, 82,764,748.76 and 33,511,135.12 is: 46,247,152.86
Step by Step Solution
- Step 1: Write the proportion equation
59,972,138.98 : 82,764,748.76 = 33,511,135.12 : x - Step 2: Convert to fraction form
59,972,138.98/82,764,748.76 = 33,511,135.12/x - Step 3: Cross multiply
59,972,138.98x = 82,764,748.76 × 33,511,135.12 - Step 4: Simplify right side
59,972,138.98x = 2,773,540,678,869,212.50 - Step 5: Solve for x
x = 2,773,540,678,869,212.50/59,972,138.98 - Step 6: Final answer
x = 46,247,152.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.