Finding the Fourth Proportional to 108,865,458.30, 163,372,837.05 and 48,324,632.70
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Solution
The fourth proportional to 108,865,458.30, 163,372,837.05 and 48,324,632.70 is: 72,520,085.50
Step by Step Solution
- Step 1: Write the proportion equation
108,865,458.30 : 163,372,837.05 = 48,324,632.70 : x - Step 2: Convert to fraction form
108,865,458.30/163,372,837.05 = 48,324,632.70/x - Step 3: Cross multiply
108,865,458.30x = 163,372,837.05 × 48,324,632.70 - Step 4: Simplify right side
108,865,458.30x = 7,894,932,343,598,203 - Step 5: Solve for x
x = 7,894,932,343,598,203/108,865,458.30 - Step 6: Final answer
x = 72,520,085.50
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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.