Finding the Fourth Proportional to 66,227,908.09, 91,393,602.20 and 36,859,235.94
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Solution
The fourth proportional to 66,227,908.09, 91,393,602.20 and 36,859,235.94 is: 50,865,238.60
Step by Step Solution
- Step 1: Write the proportion equation
66,227,908.09 : 91,393,602.20 = 36,859,235.94 : x - Step 2: Convert to fraction form
66,227,908.09/91,393,602.20 = 36,859,235.94/x - Step 3: Cross multiply
66,227,908.09x = 91,393,602.20 × 36,859,235.94 - Step 4: Simplify right side
66,227,908.09x = 3,368,698,346,800,563.50 - Step 5: Solve for x
x = 3,368,698,346,800,563.50/66,227,908.09 - Step 6: Final answer
x = 50,865,238.60
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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.