Finding the Fourth Proportional to 248,950,287.68, 343,232,021.43 and 204,131,134.40
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Solution
The fourth proportional to 248,950,287.68, 343,232,021.43 and 204,131,134.40 is: 281,439,087.90
Step by Step Solution
- Step 1: Write the proportion equation
248,950,287.68 : 343,232,021.43 = 204,131,134.40 : x - Step 2: Convert to fraction form
248,950,287.68/343,232,021.43 = 204,131,134.40/x - Step 3: Cross multiply
248,950,287.68x = 343,232,021.43 × 204,131,134.40 - Step 4: Simplify right side
248,950,287.68x = 70,064,341,896,911,016 - Step 5: Solve for x
x = 70,064,341,896,911,016/248,950,287.68 - Step 6: Final answer
x = 281,439,087.90
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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.