Finding the Fourth Proportional to 118,088,939.48, 177,121,449.51 and 31,836,065.18
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Solution
The fourth proportional to 118,088,939.48, 177,121,449.51 and 31,836,065.18 is: 47,750,873.50
Step by Step Solution
- Step 1: Write the proportion equation
118,088,939.48 : 177,121,449.51 = 31,836,065.18 : x - Step 2: Convert to fraction form
118,088,939.48/177,121,449.51 = 31,836,065.18/x - Step 3: Cross multiply
118,088,939.48x = 177,121,449.51 × 31,836,065.18 - Step 4: Simplify right side
118,088,939.48x = 5,638,850,010,550,684 - Step 5: Solve for x
x = 5,638,850,010,550,684/118,088,939.48 - Step 6: Final answer
x = 47,750,873.50
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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.