Finding the Fourth Proportional to 274,472,480.75, 411,601,120.72 and 99,553,858.79
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Solution
The fourth proportional to 274,472,480.75, 411,601,120.72 and 99,553,858.79 is: 149,291,760.46
Step by Step Solution
- Step 1: Write the proportion equation
274,472,480.75 : 411,601,120.72 = 99,553,858.79 : x - Step 2: Convert to fraction form
274,472,480.75/411,601,120.72 = 99,553,858.79/x - Step 3: Cross multiply
274,472,480.75x = 411,601,120.72 × 99,553,858.79 - Step 4: Simplify right side
274,472,480.75x = 40,976,479,847,657,728 - Step 5: Solve for x
x = 40,976,479,847,657,728/274,472,480.75 - Step 6: Final answer
x = 149,291,760.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.