Finding the Fourth Proportional to 127,548,864,145.80, 191,323,296,218.70 and 68,775,741,073.80
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Solution
The fourth proportional to 127,548,864,145.80, 191,323,296,218.70 and 68,775,741,073.80 is: 103,163,611,610.70
Step by Step Solution
- Step 1: Write the proportion equation
127,548,864,145.80 : 191,323,296,218.70 = 68,775,741,073.80 : x - Step 2: Convert to fraction form
127,548,864,145.80/191,323,296,218.70 = 68,775,741,073.80/x - Step 3: Cross multiply
127,548,864,145.80x = 191,323,296,218.70 × 68,775,741,073.80 - Step 4: Simplify right side
127,548,864,145.80x = 13,158,401,482,123,250,761,728 - Step 5: Solve for x
x = 13,158,401,482,123,250,761,728/127,548,864,145.80 - Step 6: Final answer
x = 103,163,611,610.70
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1.5x scale
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.