Finding the Fourth Proportional to 105,169,399.62, 157,757,313.24 and 36,081,234.05
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Solution
The fourth proportional to 105,169,399.62, 157,757,313.24 and 36,081,234.05 is: 54,122,953.65
Step by Step Solution
- Step 1: Write the proportion equation
105,169,399.62 : 157,757,313.24 = 36,081,234.05 : x - Step 2: Convert to fraction form
105,169,399.62/157,757,313.24 = 36,081,234.05/x - Step 3: Cross multiply
105,169,399.62x = 157,757,313.24 × 36,081,234.05 - Step 4: Simplify right side
105,169,399.62x = 5,692,078,541,322,818 - Step 5: Solve for x
x = 5,692,078,541,322,818/105,169,399.62 - Step 6: Final answer
x = 54,122,953.65
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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.