Finding the Fourth Proportional to 80,984,092.20, 121,476,138.30 and 35,545,886.70
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Solution
The fourth proportional to 80,984,092.20, 121,476,138.30 and 35,545,886.70 is: 53,318,830.05
Step by Step Solution
- Step 1: Write the proportion equation
80,984,092.20 : 121,476,138.30 = 35,545,886.70 : x - Step 2: Convert to fraction form
80,984,092.20/121,476,138.30 = 35,545,886.70/x - Step 3: Cross multiply
80,984,092.20x = 121,476,138.30 × 35,545,886.70 - Step 4: Simplify right side
80,984,092.20x = 4,317,977,048,765,331 - Step 5: Solve for x
x = 4,317,977,048,765,331/80,984,092.20 - Step 6: Final answer
x = 53,318,830.05
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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.