Finding the Fourth Proportional to 271,994,773.88, 408,112,358.34 and 142,571,438.12
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Solution
The fourth proportional to 271,994,773.88, 408,112,358.34 and 142,571,438.12 is: 213,920,161.09
Step by Step Solution
- Step 1: Write the proportion equation
271,994,773.88 : 408,112,358.34 = 142,571,438.12 : x - Step 2: Convert to fraction form
271,994,773.88/408,112,358.34 = 142,571,438.12/x - Step 3: Cross multiply
271,994,773.88x = 408,112,358.34 × 142,571,438.12 - Step 4: Simplify right side
271,994,773.88x = 58,185,165,843,078,576 - Step 5: Solve for x
x = 58,185,165,843,078,576/271,994,773.88 - Step 6: Final answer
x = 213,920,161.09
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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.