Finding the Fourth Proportional to 80,022,270.42, 110,430,845.24 and 43,352,841.42
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Solution
The fourth proportional to 80,022,270.42, 110,430,845.24 and 43,352,841.42 is: 59,826,981.87
Step by Step Solution
- Step 1: Write the proportion equation
80,022,270.42 : 110,430,845.24 = 43,352,841.42 : x - Step 2: Convert to fraction form
80,022,270.42/110,430,845.24 = 43,352,841.42/x - Step 3: Cross multiply
80,022,270.42x = 110,430,845.24 × 43,352,841.42 - Step 4: Simplify right side
80,022,270.42x = 4,787,490,921,349,518 - Step 5: Solve for x
x = 4,787,490,921,349,518/80,022,270.42 - Step 6: Final answer
x = 59,826,981.87
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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.