Finding the Fourth Proportional to 81,936,771.40, 122,825,274.47 and 32,737,958.65
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Solution
The fourth proportional to 81,936,771.40, 122,825,274.47 and 32,737,958.65 is: 49,075,020.75
Step by Step Solution
- Step 1: Write the proportion equation
81,936,771.40 : 122,825,274.47 = 32,737,958.65 : x - Step 2: Convert to fraction form
81,936,771.40/122,825,274.47 = 32,737,958.65/x - Step 3: Cross multiply
81,936,771.40x = 122,825,274.47 × 32,737,958.65 - Step 4: Simplify right side
81,936,771.40x = 4,021,048,756,773,760.50 - Step 5: Solve for x
x = 4,021,048,756,773,760.50/81,936,771.40 - Step 6: Final answer
x = 49,075,020.75
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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.