Finding the Fourth Proportional to 98,332,167.92, 135,697,626.88 and 54,279,180.81
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Solution
The fourth proportional to 98,332,167.92, 135,697,626.88 and 54,279,180.81 is: 74,904,847.32
Step by Step Solution
- Step 1: Write the proportion equation
98,332,167.92 : 135,697,626.88 = 54,279,180.81 : x - Step 2: Convert to fraction form
98,332,167.92/135,697,626.88 = 54,279,180.81/x - Step 3: Cross multiply
98,332,167.92x = 135,697,626.88 × 54,279,180.81 - Step 4: Simplify right side
98,332,167.92x = 7,365,556,024,771,738 - Step 5: Solve for x
x = 7,365,556,024,771,738/98,332,167.92 - Step 6: Final answer
x = 74,904,847.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.