Finding the Fourth Proportional to 53,468,380.14, 73,784,455.45 and 30,263,008.87
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Solution
The fourth proportional to 53,468,380.14, 73,784,455.45 and 30,263,008.87 is: 41,761,871.67
Step by Step Solution
- Step 1: Write the proportion equation
53,468,380.14 : 73,784,455.45 = 30,263,008.87 : x - Step 2: Convert to fraction form
53,468,380.14/73,784,455.45 = 30,263,008.87/x - Step 3: Cross multiply
53,468,380.14x = 73,784,455.45 × 30,263,008.87 - Step 4: Simplify right side
53,468,380.14x = 2,232,939,629,751,470 - Step 5: Solve for x
x = 2,232,939,629,751,470/53,468,380.14 - Step 6: Final answer
x = 41,761,871.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.