Finding the Fourth Proportional to 131,787,378.30, 197,691,171.39 and 44,349,324.96
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Solution
The fourth proportional to 131,787,378.30, 197,691,171.39 and 44,349,324.96 is: 66,527,387.64
Step by Step Solution
- Step 1: Write the proportion equation
131,787,378.30 : 197,691,171.39 = 44,349,324.96 : x - Step 2: Convert to fraction form
131,787,378.30/197,691,171.39 = 44,349,324.96/x - Step 3: Cross multiply
131,787,378.30x = 197,691,171.39 × 44,349,324.96 - Step 4: Simplify right side
131,787,378.30x = 8,767,470,001,698,164 - Step 5: Solve for x
x = 8,767,470,001,698,164/131,787,378.30 - Step 6: Final answer
x = 66,527,387.64
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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.