Finding the Fourth Proportional to 287,995,141.99, 397,058,079.41 and 183,535,099.03
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Solution
The fourth proportional to 287,995,141.99, 397,058,079.41 and 183,535,099.03 is: 253,039,316.64
Step by Step Solution
- Step 1: Write the proportion equation
287,995,141.99 : 397,058,079.41 = 183,535,099.03 : x - Step 2: Convert to fraction form
287,995,141.99/397,058,079.41 = 183,535,099.03/x - Step 3: Cross multiply
287,995,141.99x = 397,058,079.41 × 183,535,099.03 - Step 4: Simplify right side
287,995,141.99x = 72,874,093,923,190,672 - Step 5: Solve for x
x = 72,874,093,923,190,672/287,995,141.99 - Step 6: Final answer
x = 253,039,316.64
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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.