Finding the Fourth Proportional to 84,848,219.81, 127,173,619.42 and 48,482,105.84
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Solution
The fourth proportional to 84,848,219.81, 127,173,619.42 and 48,482,105.84 is: 72,666,755.89
Step by Step Solution
- Step 1: Write the proportion equation
84,848,219.81 : 127,173,619.42 = 48,482,105.84 : x - Step 2: Convert to fraction form
84,848,219.81/127,173,619.42 = 48,482,105.84/x - Step 3: Cross multiply
84,848,219.81x = 127,173,619.42 × 48,482,105.84 - Step 4: Simplify right side
84,848,219.81x = 6,165,644,875,898,041 - Step 5: Solve for x
x = 6,165,644,875,898,041/84,848,219.81 - Step 6: Final answer
x = 72,666,755.89
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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.