Finding the Fourth Proportional to 84,132,381.81, 126,214,934.20 and 32,313,193.75
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Solution
The fourth proportional to 84,132,381.81, 126,214,934.20 and 32,313,193.75 is: 48,476,074.67
Step by Step Solution
- Step 1: Write the proportion equation
84,132,381.81 : 126,214,934.20 = 32,313,193.75 : x - Step 2: Convert to fraction form
84,132,381.81/126,214,934.20 = 32,313,193.75/x - Step 3: Cross multiply
84,132,381.81x = 126,214,934.20 × 32,313,193.75 - Step 4: Simplify right side
84,132,381.81x = 4,078,407,623,025,087 - Step 5: Solve for x
x = 4,078,407,623,025,087/84,132,381.81 - Step 6: Final answer
x = 48,476,074.67
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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.