Finding the Fourth Proportional to 88,821,585.72, 122,453,245.67 and 62,323,937.46
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Solution
The fourth proportional to 88,821,585.72, 122,453,245.67 and 62,323,937.46 is: 85,922,451.88
Step by Step Solution
- Step 1: Write the proportion equation
88,821,585.72 : 122,453,245.67 = 62,323,937.46 : x - Step 2: Convert to fraction form
88,821,585.72/122,453,245.67 = 62,323,937.46/x - Step 3: Cross multiply
88,821,585.72x = 122,453,245.67 × 62,323,937.46 - Step 4: Simplify right side
88,821,585.72x = 7,631,768,424,599,477 - Step 5: Solve for x
x = 7,631,768,424,599,477/88,821,585.72 - Step 6: Final answer
x = 85,922,451.88
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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.