Finding the Fourth Proportional to 140,858,550.96, 194,313,258.36 and 91,994,581.68
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Solution
The fourth proportional to 140,858,550.96, 194,313,258.36 and 91,994,581.68 is: 126,905,798.73
Step by Step Solution
- Step 1: Write the proportion equation
140,858,550.96 : 194,313,258.36 = 91,994,581.68 : x - Step 2: Convert to fraction form
140,858,550.96/194,313,258.36 = 91,994,581.68/x - Step 3: Cross multiply
140,858,550.96x = 194,313,258.36 × 91,994,581.68 - Step 4: Simplify right side
140,858,550.96x = 17,875,766,917,705,966 - Step 5: Solve for x
x = 17,875,766,917,705,966/140,858,550.96 - Step 6: Final answer
x = 126,905,798.73
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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.