Finding the Fourth Proportional to 105,384,350.44, 157,436,049.02 and 68,193,260.42
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Solution
The fourth proportional to 105,384,350.44, 157,436,049.02 and 68,193,260.42 is: 101,875,443.99
Step by Step Solution
- Step 1: Write the proportion equation
105,384,350.44 : 157,436,049.02 = 68,193,260.42 : x - Step 2: Convert to fraction form
105,384,350.44/157,436,049.02 = 68,193,260.42/x - Step 3: Cross multiply
105,384,350.44x = 157,436,049.02 × 68,193,260.42 - Step 4: Simplify right side
105,384,350.44x = 10,736,077,490,316,746 - Step 5: Solve for x
x = 10,736,077,490,316,746/105,384,350.44 - Step 6: Final answer
x = 101,875,443.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.