Finding the Fourth Proportional to 64,154,764.80, 96,232,147.20 and 53,384,227.20
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Solution
The fourth proportional to 64,154,764.80, 96,232,147.20 and 53,384,227.20 is: 80,076,340.80
Step by Step Solution
- Step 1: Write the proportion equation
64,154,764.80 : 96,232,147.20 = 53,384,227.20 : x - Step 2: Convert to fraction form
64,154,764.80/96,232,147.20 = 53,384,227.20/x - Step 3: Cross multiply
64,154,764.80x = 96,232,147.20 × 53,384,227.20 - Step 4: Simplify right side
64,154,764.80x = 5,137,278,810,068,644 - Step 5: Solve for x
x = 5,137,278,810,068,644/64,154,764.80 - Step 6: Final answer
x = 80,076,340.80
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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.