Finding the Fourth Proportional to 129,568,820.40, 177,853,201.00 and 114,555,612.15
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Solution
The fourth proportional to 129,568,820.40, 177,853,201.00 and 114,555,612.15 is: 157,245,255.84
Step by Step Solution
- Step 1: Write the proportion equation
129,568,820.40 : 177,853,201.00 = 114,555,612.15 : x - Step 2: Convert to fraction form
129,568,820.40/177,853,201.00 = 114,555,612.15/x - Step 3: Cross multiply
129,568,820.40x = 177,853,201.00 × 114,555,612.15 - Step 4: Simplify right side
129,568,820.40x = 20,374,082,313,105,604 - Step 5: Solve for x
x = 20,374,082,313,105,604/129,568,820.40 - Step 6: Final answer
x = 157,245,255.84
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.