Finding the Fourth Proportional to 45,880,912.20, 68,821,368.30 and 26,483,315.70
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Solution
The fourth proportional to 45,880,912.20, 68,821,368.30 and 26,483,315.70 is: 39,724,973.55
Step by Step Solution
- Step 1: Write the proportion equation
45,880,912.20 : 68,821,368.30 = 26,483,315.70 : x - Step 2: Convert to fraction form
45,880,912.20/68,821,368.30 = 26,483,315.70/x - Step 3: Cross multiply
45,880,912.20x = 68,821,368.30 × 26,483,315.70 - Step 4: Simplify right side
45,880,912.20x = 1,822,618,023,594,872.25 - Step 5: Solve for x
x = 1,822,618,023,594,872.25/45,880,912.20 - Step 6: Final answer
x = 39,724,973.55
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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.