Finding the Fourth Proportional to 193,286,163.56, 266,734,949.34 and 106,366,035.56
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Solution
The fourth proportional to 193,286,163.56, 266,734,949.34 and 106,366,035.56 is: 146,785,153.08
Step by Step Solution
- Step 1: Write the proportion equation
193,286,163.56 : 266,734,949.34 = 106,366,035.56 : x - Step 2: Convert to fraction form
193,286,163.56/266,734,949.34 = 106,366,035.56/x - Step 3: Cross multiply
193,286,163.56x = 266,734,949.34 × 106,366,035.56 - Step 4: Simplify right side
193,286,163.56x = 28,371,539,106,593,240 - Step 5: Solve for x
x = 28,371,539,106,593,240/193,286,163.56 - Step 6: Final answer
x = 146,785,153.08
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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.