Finding the Fourth Proportional to 221,446,805.80, 332,170,208.70 and 57,684,245.80
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Solution
The fourth proportional to 221,446,805.80, 332,170,208.70 and 57,684,245.80 is: 86,526,368.70
Step by Step Solution
- Step 1: Write the proportion equation
221,446,805.80 : 332,170,208.70 = 57,684,245.80 : x - Step 2: Convert to fraction form
221,446,805.80/332,170,208.70 = 57,684,245.80/x - Step 3: Cross multiply
221,446,805.80x = 332,170,208.70 × 57,684,245.80 - Step 4: Simplify right side
221,446,805.80x = 19,160,987,966,088,096 - Step 5: Solve for x
x = 19,160,987,966,088,096/221,446,805.80 - Step 6: Final answer
x = 86,526,368.70
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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.