Finding the Fourth Proportional to 49,946,451.36, 68,937,621.12 and 32,512,430.40
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Solution
The fourth proportional to 49,946,451.36, 68,937,621.12 and 32,512,430.40 is: 44,874,651.70
Step by Step Solution
- Step 1: Write the proportion equation
49,946,451.36 : 68,937,621.12 = 32,512,430.40 : x - Step 2: Convert to fraction form
49,946,451.36/68,937,621.12 = 32,512,430.40/x - Step 3: Cross multiply
49,946,451.36x = 68,937,621.12 × 32,512,430.40 - Step 4: Simplify right side
49,946,451.36x = 2,241,329,608,605,570 - Step 5: Solve for x
x = 2,241,329,608,605,570/49,946,451.36 - Step 6: Final answer
x = 44,874,651.70
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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.