Finding the Fourth Proportional to 198,182,416.37, 297,311,907.42 and 75,351,183.08
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Solution
The fourth proportional to 198,182,416.37, 297,311,907.42 and 75,351,183.08 is: 113,041,330.19
Step by Step Solution
- Step 1: Write the proportion equation
198,182,416.37 : 297,311,907.42 = 75,351,183.08 : x - Step 2: Convert to fraction form
198,182,416.37/297,311,907.42 = 75,351,183.08/x - Step 3: Cross multiply
198,182,416.37x = 297,311,907.42 × 75,351,183.08 - Step 4: Simplify right side
198,182,416.37x = 22,402,803,966,381,872 - Step 5: Solve for x
x = 22,402,803,966,381,872/198,182,416.37 - Step 6: Final answer
x = 113,041,330.19
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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.