Finding the Fourth Proportional to 292,741,014.40, 403,975,209.06 and 167,285,231.98
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Solution
The fourth proportional to 292,741,014.40, 403,975,209.06 and 167,285,231.98 is: 230,849,396.69
Step by Step Solution
- Step 1: Write the proportion equation
292,741,014.40 : 403,975,209.06 = 167,285,231.98 : x - Step 2: Convert to fraction form
292,741,014.40/403,975,209.06 = 167,285,231.98/x - Step 3: Cross multiply
292,741,014.40x = 403,975,209.06 × 167,285,231.98 - Step 4: Simplify right side
292,741,014.40x = 67,579,086,560,761,160 - Step 5: Solve for x
x = 67,579,086,560,761,160/292,741,014.40 - Step 6: Final answer
x = 230,849,396.69
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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.