Finding the Fourth Proportional to 66,641,951.77, 91,965,213.52 and 37,273,214.23
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Solution
The fourth proportional to 66,641,951.77, 91,965,213.52 and 37,273,214.23 is: 51,436,655.35
Step by Step Solution
- Step 1: Write the proportion equation
66,641,951.77 : 91,965,213.52 = 37,273,214.23 : x - Step 2: Convert to fraction form
66,641,951.77/91,965,213.52 = 37,273,214.23/x - Step 3: Cross multiply
66,641,951.77x = 91,965,213.52 × 37,273,214.23 - Step 4: Simplify right side
66,641,951.77x = 3,427,839,105,238,652 - Step 5: Solve for x
x = 3,427,839,105,238,652/66,641,951.77 - Step 6: Final answer
x = 51,436,655.35
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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.