Finding the Fourth Proportional to 134,752,435.60, 202,128,653.40 and 133,618,694.80
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Solution
The fourth proportional to 134,752,435.60, 202,128,653.40 and 133,618,694.80 is: 200,428,042.20
Step by Step Solution
- Step 1: Write the proportion equation
134,752,435.60 : 202,128,653.40 = 133,618,694.80 : x - Step 2: Convert to fraction form
134,752,435.60/202,128,653.40 = 133,618,694.80/x - Step 3: Cross multiply
134,752,435.60x = 202,128,653.40 × 133,618,694.80 - Step 4: Simplify right side
134,752,435.60x = 27,008,166,848,989,584 - Step 5: Solve for x
x = 27,008,166,848,989,584/134,752,435.60 - Step 6: Final answer
x = 200,428,042.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.