Finding the Fourth Proportional to 112,350,961.92, 155,036,496.24 and 63,448,942.08
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Solution
The fourth proportional to 112,350,961.92, 155,036,496.24 and 63,448,942.08 is: 87,555,117.48
Step by Step Solution
- Step 1: Write the proportion equation
112,350,961.92 : 155,036,496.24 = 63,448,942.08 : x - Step 2: Convert to fraction form
112,350,961.92/155,036,496.24 = 63,448,942.08/x - Step 3: Cross multiply
112,350,961.92x = 155,036,496.24 × 63,448,942.08 - Step 4: Simplify right side
112,350,961.92x = 9,836,901,670,217,898 - Step 5: Solve for x
x = 9,836,901,670,217,898/112,350,961.92 - Step 6: Final answer
x = 87,555,117.48
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1.5x scale
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.