Finding the Fourth Proportional to 129,497,752.60, 194,246,628.90 and 33,759,640.60
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Solution
The fourth proportional to 129,497,752.60, 194,246,628.90 and 33,759,640.60 is: 50,639,460.90
Step by Step Solution
- Step 1: Write the proportion equation
129,497,752.60 : 194,246,628.90 = 33,759,640.60 : x - Step 2: Convert to fraction form
129,497,752.60/194,246,628.90 = 33,759,640.60/x - Step 3: Cross multiply
129,497,752.60x = 194,246,628.90 × 33,759,640.60 - Step 4: Simplify right side
129,497,752.60x = 6,557,696,379,425,574 - Step 5: Solve for x
x = 6,557,696,379,425,574/129,497,752.60 - Step 6: Final answer
x = 50,639,460.90
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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.