Finding the Fourth Proportional to 239,522,436.18, 330,459,773.49 and 195,393,150.18
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Solution
The fourth proportional to 239,522,436.18, 330,459,773.49 and 195,393,150.18 is: 269,576,316.86
Step by Step Solution
- Step 1: Write the proportion equation
239,522,436.18 : 330,459,773.49 = 195,393,150.18 : x - Step 2: Convert to fraction form
239,522,436.18/330,459,773.49 = 195,393,150.18/x - Step 3: Cross multiply
239,522,436.18x = 330,459,773.49 × 195,393,150.18 - Step 4: Simplify right side
239,522,436.18x = 64,569,576,149,980,360 - Step 5: Solve for x
x = 64,569,576,149,980,360/239,522,436.18 - Step 6: Final answer
x = 269,576,316.86
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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.