Finding the Fourth Proportional to 232,738,569.24, 321,485,808.65 and 172,509,660.49
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Solution
The fourth proportional to 232,738,569.24, 321,485,808.65 and 172,509,660.49 is: 238,290,575.91
Step by Step Solution
- Step 1: Write the proportion equation
232,738,569.24 : 321,485,808.65 = 172,509,660.49 : x - Step 2: Convert to fraction form
232,738,569.24/321,485,808.65 = 172,509,660.49/x - Step 3: Cross multiply
232,738,569.24x = 321,485,808.65 × 172,509,660.49 - Step 4: Simplify right side
232,738,569.24x = 55,459,407,701,499,512 - Step 5: Solve for x
x = 55,459,407,701,499,512/232,738,569.24 - Step 6: Final answer
x = 238,290,575.91
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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.