Finding the Fourth Proportional to 66,457,553.79, 91,707,597.84 and 37,086,581.19
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Solution
The fourth proportional to 66,457,553.79, 91,707,597.84 and 37,086,581.19 is: 51,177,346.73
Step by Step Solution
- Step 1: Write the proportion equation
66,457,553.79 : 91,707,597.84 = 37,086,581.19 : x - Step 2: Convert to fraction form
66,457,553.79/91,707,597.84 = 37,086,581.19/x - Step 3: Cross multiply
66,457,553.79x = 91,707,597.84 × 37,086,581.19 - Step 4: Simplify right side
66,457,553.79x = 3,401,121,273,033,028.50 - Step 5: Solve for x
x = 3,401,121,273,033,028.50/66,457,553.79 - Step 6: Final answer
x = 51,177,346.73
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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.