Finding the Fourth Proportional to 221,294,610.20, 305,384,911.62 and 122,175,337.88
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Solution
The fourth proportional to 221,294,610.20, 305,384,911.62 and 122,175,337.88 is: 168,601,055.07
Step by Step Solution
- Step 1: Write the proportion equation
221,294,610.20 : 305,384,911.62 = 122,175,337.88 : x - Step 2: Convert to fraction form
221,294,610.20/305,384,911.62 = 122,175,337.88/x - Step 3: Cross multiply
221,294,610.20x = 305,384,911.62 × 122,175,337.88 - Step 4: Simplify right side
221,294,610.20x = 37,310,504,760,627,440 - Step 5: Solve for x
x = 37,310,504,760,627,440/221,294,610.20 - Step 6: Final answer
x = 168,601,055.07
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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.