Finding the Fourth Proportional to 292,682,357.78, 403,786,441.41 and 168,899,116.82
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Solution
The fourth proportional to 292,682,357.78, 403,786,441.41 and 168,899,116.82 is: 233,014,295.28
Step by Step Solution
- Step 1: Write the proportion equation
292,682,357.78 : 403,786,441.41 = 168,899,116.82 : x - Step 2: Convert to fraction form
292,682,357.78/403,786,441.41 = 168,899,116.82/x - Step 3: Cross multiply
292,682,357.78x = 403,786,441.41 × 168,899,116.82 - Step 4: Simplify right side
292,682,357.78x = 68,199,173,338,039,680 - Step 5: Solve for x
x = 68,199,173,338,039,680/292,682,357.78 - Step 6: Final answer
x = 233,014,295.28
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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.