Finding the Fourth Proportional to 158,288,880.21, 237,431,436.79 and 89,206,896.21
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Solution
The fourth proportional to 158,288,880.21, 237,431,436.79 and 89,206,896.21 is: 133,809,282.82
Step by Step Solution
- Step 1: Write the proportion equation
158,288,880.21 : 237,431,436.79 = 89,206,896.21 : x - Step 2: Convert to fraction form
158,288,880.21/237,431,436.79 = 89,206,896.21/x - Step 3: Cross multiply
158,288,880.21x = 237,431,436.79 × 89,206,896.21 - Step 4: Simplify right side
158,288,880.21x = 21,180,521,538,716,704 - Step 5: Solve for x
x = 21,180,521,538,716,704/158,288,880.21 - Step 6: Final answer
x = 133,809,282.82
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1.5x scale
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.