Finding the Fourth Proportional to 305,535,853.48, 458,299,292.78 and 75,504,931.96
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Solution
The fourth proportional to 305,535,853.48, 458,299,292.78 and 75,504,931.96 is: 113,256,288.99
Step by Step Solution
- Step 1: Write the proportion equation
305,535,853.48 : 458,299,292.78 = 75,504,931.96 : x - Step 2: Convert to fraction form
305,535,853.48/458,299,292.78 = 75,504,931.96/x - Step 3: Cross multiply
305,535,853.48x = 458,299,292.78 × 75,504,931.96 - Step 4: Simplify right side
305,535,853.48x = 34,603,856,918,670,016 - Step 5: Solve for x
x = 34,603,856,918,670,016/305,535,853.48 - Step 6: Final answer
x = 113,256,288.99
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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.