Finding the Fourth Proportional to 130,605,311.62, 195,936,310.97 and 39,726,538.66
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Solution
The fourth proportional to 130,605,311.62, 195,936,310.97 and 39,726,538.66 is: 59,598,429.31
Step by Step Solution
- Step 1: Write the proportion equation
130,605,311.62 : 195,936,310.97 = 39,726,538.66 : x - Step 2: Convert to fraction form
130,605,311.62/195,936,310.97 = 39,726,538.66/x - Step 3: Cross multiply
130,605,311.62x = 195,936,310.97 × 39,726,538.66 - Step 4: Simplify right side
130,605,311.62x = 7,783,871,432,647,486 - Step 5: Solve for x
x = 7,783,871,432,647,486/130,605,311.62 - Step 6: Final answer
x = 59,598,429.31
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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.