Finding the Fourth Proportional to 252,559,533.24, 378,849,836.34 and 80,032,528.44
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Solution
The fourth proportional to 252,559,533.24, 378,849,836.34 and 80,032,528.44 is: 120,052,131.52
Step by Step Solution
- Step 1: Write the proportion equation
252,559,533.24 : 378,849,836.34 = 80,032,528.44 : x - Step 2: Convert to fraction form
252,559,533.24/378,849,836.34 = 80,032,528.44/x - Step 3: Cross multiply
252,559,533.24x = 378,849,836.34 × 80,032,528.44 - Step 4: Simplify right side
252,559,533.24x = 30,320,310,301,370,392 - Step 5: Solve for x
x = 30,320,310,301,370,392/252,559,533.24 - Step 6: Final answer
x = 120,052,131.52
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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.