Finding the Fourth Proportional to 221,737,052.68, 332,601,919.80 and 66,291,224.56
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Solution
The fourth proportional to 221,737,052.68, 332,601,919.80 and 66,291,224.56 is: 99,435,742.87
Step by Step Solution
- Step 1: Write the proportion equation
221,737,052.68 : 332,601,919.80 = 66,291,224.56 : x - Step 2: Convert to fraction form
221,737,052.68/332,601,919.80 = 66,291,224.56/x - Step 3: Cross multiply
221,737,052.68x = 332,601,919.80 × 66,291,224.56 - Step 4: Simplify right side
221,737,052.68x = 22,048,588,554,548,912 - Step 5: Solve for x
x = 22,048,588,554,548,912/221,737,052.68 - Step 6: Final answer
x = 99,435,742.87
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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.