Finding the Fourth Proportional to 227,086,069.79, 313,378,913.58 and 122,664,187.23
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Solution
The fourth proportional to 227,086,069.79, 313,378,913.58 and 122,664,187.23 is: 169,276,652.53
Step by Step Solution
- Step 1: Write the proportion equation
227,086,069.79 : 313,378,913.58 = 122,664,187.23 : x - Step 2: Convert to fraction form
227,086,069.79/313,378,913.58 = 122,664,187.23/x - Step 3: Cross multiply
227,086,069.79x = 313,378,913.58 × 122,664,187.23 - Step 4: Simplify right side
227,086,069.79x = 38,440,369,729,311,112 - Step 5: Solve for x
x = 38,440,369,729,311,112/227,086,069.79 - Step 6: Final answer
x = 169,276,652.53
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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.