Finding the Fourth Proportional to 197,824,213.80, 296,526,889.86 and 66,541,512.48
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Solution
The fourth proportional to 197,824,213.80, 296,526,889.86 and 66,541,512.48 is: 99,741,823.12
Step by Step Solution
- Step 1: Write the proportion equation
197,824,213.80 : 296,526,889.86 = 66,541,512.48 : x - Step 2: Convert to fraction form
197,824,213.80/296,526,889.86 = 66,541,512.48/x - Step 3: Cross multiply
197,824,213.80x = 296,526,889.86 × 66,541,512.48 - Step 4: Simplify right side
197,824,213.80x = 19,731,347,742,274,776 - Step 5: Solve for x
x = 19,731,347,742,274,776/197,824,213.80 - Step 6: Final answer
x = 99,741,823.12
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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.