Finding the Fourth Proportional to 61,037,847,791.97, 84,232,299,785.15 and 33,940,540,320.10
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Solution
The fourth proportional to 61,037,847,791.97, 84,232,299,785.15 and 33,940,540,320.10 is: 46,837,984,472.45
Step by Step Solution
- Step 1: Write the proportion equation
61,037,847,791.97 : 84,232,299,785.15 = 33,940,540,320.10 : x - Step 2: Convert to fraction form
61,037,847,791.97/84,232,299,785.15 = 33,940,540,320.10/x - Step 3: Cross multiply
61,037,847,791.97x = 84,232,299,785.15 × 33,940,540,320.10 - Step 4: Simplify right side
61,037,847,791.97x = 2,858,889,767,112,245,510,144 - Step 5: Solve for x
x = 2,858,889,767,112,245,510,144/61,037,847,791.97 - Step 6: Final answer
x = 46,837,984,472.45
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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.