Finding the Fourth Proportional to 250,291,287.08, 345,370,229.04 and 137,231,026.09
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Solution
The fourth proportional to 250,291,287.08, 345,370,229.04 and 137,231,026.09 is: 189,361,409.52
Step by Step Solution
- Step 1: Write the proportion equation
250,291,287.08 : 345,370,229.04 = 137,231,026.09 : x - Step 2: Convert to fraction form
250,291,287.08/345,370,229.04 = 137,231,026.09/x - Step 3: Cross multiply
250,291,287.08x = 345,370,229.04 × 137,231,026.09 - Step 4: Simplify right side
250,291,287.08x = 47,395,510,912,917,072 - Step 5: Solve for x
x = 47,395,510,912,917,072/250,291,287.08 - Step 6: Final answer
x = 189,361,409.52
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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.