Finding the Fourth Proportional to 272,498,512.88, 408,743,919.48 and 126,850,611.44
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Solution
The fourth proportional to 272,498,512.88, 408,743,919.48 and 126,850,611.44 is: 190,274,125.02
Step by Step Solution
- Step 1: Write the proportion equation
272,498,512.88 : 408,743,919.48 = 126,850,611.44 : x - Step 2: Convert to fraction form
272,498,512.88/408,743,919.48 = 126,850,611.44/x - Step 3: Cross multiply
272,498,512.88x = 408,743,919.48 × 126,850,611.44 - Step 4: Simplify right side
272,498,512.88x = 51,849,416,108,420,128 - Step 5: Solve for x
x = 51,849,416,108,420,128/272,498,512.88 - Step 6: Final answer
x = 190,274,125.02
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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.