Finding the Fourth Proportional to 227,086,075.50, 313,378,921.47 and 122,664,192.95
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Solution
The fourth proportional to 227,086,075.50, 313,378,921.47 and 122,664,192.95 is: 169,276,660.43
Step by Step Solution
- Step 1: Write the proportion equation
227,086,075.50 : 313,378,921.47 = 122,664,192.95 : x - Step 2: Convert to fraction form
227,086,075.50/313,378,921.47 = 122,664,192.95/x - Step 3: Cross multiply
227,086,075.50x = 313,378,921.47 × 122,664,192.95 - Step 4: Simplify right side
227,086,075.50x = 38,440,372,490,902,416 - Step 5: Solve for x
x = 38,440,372,490,902,416/227,086,075.50 - Step 6: Final answer
x = 169,276,660.43
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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.