Finding the Fourth Proportional to 71,347,117.99, 98,457,348.24 and 41,980,352.63
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Solution
The fourth proportional to 71,347,117.99, 98,457,348.24 and 41,980,352.63 is: 57,931,901.31
Step by Step Solution
- Step 1: Write the proportion equation
71,347,117.99 : 98,457,348.24 = 41,980,352.63 : x - Step 2: Convert to fraction form
71,347,117.99/98,457,348.24 = 41,980,352.63/x - Step 3: Cross multiply
71,347,117.99x = 98,457,348.24 × 41,980,352.63 - Step 4: Simplify right side
71,347,117.99x = 4,133,274,198,320,662.50 - Step 5: Solve for x
x = 4,133,274,198,320,662.50/71,347,117.99 - Step 6: Final answer
x = 57,931,901.31
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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.