Finding the Fourth Proportional to 236,202,486.30, 354,303,729.45 and 74,644,422.30
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Solution
The fourth proportional to 236,202,486.30, 354,303,729.45 and 74,644,422.30 is: 111,966,633.45
Step by Step Solution
- Step 1: Write the proportion equation
236,202,486.30 : 354,303,729.45 = 74,644,422.30 : x - Step 2: Convert to fraction form
236,202,486.30/354,303,729.45 = 74,644,422.30/x - Step 3: Cross multiply
236,202,486.30x = 354,303,729.45 × 74,644,422.30 - Step 4: Simplify right side
236,202,486.30x = 26,446,797,203,530,744 - Step 5: Solve for x
x = 26,446,797,203,530,744/236,202,486.30 - Step 6: Final answer
x = 111,966,633.45
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Double scale
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Similar ratio
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1.5x scale
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.