Finding the Fourth Proportional to 157,419,114.56, 235,906,711.84 and 74,332,217.28
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Solution
The fourth proportional to 157,419,114.56, 235,906,711.84 and 74,332,217.28 is: 111,393,517.94
Step by Step Solution
- Step 1: Write the proportion equation
157,419,114.56 : 235,906,711.84 = 74,332,217.28 : x - Step 2: Convert to fraction form
157,419,114.56/235,906,711.84 = 74,332,217.28/x - Step 3: Cross multiply
157,419,114.56x = 235,906,711.84 × 74,332,217.28 - Step 4: Simplify right side
157,419,114.56x = 17,535,468,962,301,230 - Step 5: Solve for x
x = 17,535,468,962,301,230/157,419,114.56 - Step 6: Final answer
x = 111,393,517.94
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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.