Finding the Fourth Proportional to 83,765,933.20, 125,660,709.60 and 26,252,207.20
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Solution
The fourth proportional to 83,765,933.20, 125,660,709.60 and 26,252,207.20 is: 39,382,011.99
Step by Step Solution
- Step 1: Write the proportion equation
83,765,933.20 : 125,660,709.60 = 26,252,207.20 : x - Step 2: Convert to fraction form
83,765,933.20/125,660,709.60 = 26,252,207.20/x - Step 3: Cross multiply
83,765,933.20x = 125,660,709.60 × 26,252,207.20 - Step 4: Simplify right side
83,765,933.20x = 3,298,870,985,318,229 - Step 5: Solve for x
x = 3,298,870,985,318,229/83,765,933.20 - Step 6: Final answer
x = 39,382,011.99
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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.