Finding the Fourth Proportional to 91,137,103.02, 125,770,383.99 and 49,883,109.66
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Solution
The fourth proportional to 91,137,103.02, 125,770,383.99 and 49,883,109.66 is: 68,839,338.19
Step by Step Solution
- Step 1: Write the proportion equation
91,137,103.02 : 125,770,383.99 = 49,883,109.66 : x - Step 2: Convert to fraction form
91,137,103.02/125,770,383.99 = 49,883,109.66/x - Step 3: Cross multiply
91,137,103.02x = 125,770,383.99 × 49,883,109.66 - Step 4: Simplify right side
91,137,103.02x = 6,273,817,856,553,478 - Step 5: Solve for x
x = 6,273,817,856,553,478/91,137,103.02 - Step 6: Final answer
x = 68,839,338.19
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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.