Finding the Fourth Proportional to 83,207,832.40, 124,811,748.60 and 37,769,626.90
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Solution
The fourth proportional to 83,207,832.40, 124,811,748.60 and 37,769,626.90 is: 56,654,440.35
Step by Step Solution
- Step 1: Write the proportion equation
83,207,832.40 : 124,811,748.60 = 37,769,626.90 : x - Step 2: Convert to fraction form
83,207,832.40/124,811,748.60 = 37,769,626.90/x - Step 3: Cross multiply
83,207,832.40x = 124,811,748.60 × 37,769,626.90 - Step 4: Simplify right side
83,207,832.40x = 4,714,093,177,358,597 - Step 5: Solve for x
x = 4,714,093,177,358,597/83,207,832.40 - Step 6: Final answer
x = 56,654,440.35
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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.