Finding the Fourth Proportional to 306,460,228.35, 422,924,087.66 and 167,239,963.65
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Solution
The fourth proportional to 306,460,228.35, 422,924,087.66 and 167,239,963.65 is: 230,796,046.28
Step by Step Solution
- Step 1: Write the proportion equation
306,460,228.35 : 422,924,087.66 = 167,239,963.65 : x - Step 2: Convert to fraction form
306,460,228.35/422,924,087.66 = 167,239,963.65/x - Step 3: Cross multiply
306,460,228.35x = 422,924,087.66 × 167,239,963.65 - Step 4: Simplify right side
306,460,228.35x = 70,729,809,046,131,608 - Step 5: Solve for x
x = 70,729,809,046,131,608/306,460,228.35 - Step 6: Final answer
x = 230,796,046.28
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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.