Finding the Fourth Proportional to 332,135,743.20, 498,203,614.80 and 86,491,903.20
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Solution
The fourth proportional to 332,135,743.20, 498,203,614.80 and 86,491,903.20 is: 129,737,854.80
Step by Step Solution
- Step 1: Write the proportion equation
332,135,743.20 : 498,203,614.80 = 86,491,903.20 : x - Step 2: Convert to fraction form
332,135,743.20/498,203,614.80 = 86,491,903.20/x - Step 3: Cross multiply
332,135,743.20x = 498,203,614.80 × 86,491,903.20 - Step 4: Simplify right side
332,135,743.20x = 43,090,578,825,171,688 - Step 5: Solve for x
x = 43,090,578,825,171,688/332,135,743.20 - Step 6: Final answer
x = 129,737,854.80
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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.