Finding the Fourth Proportional to 102,925,101.60, 154,245,934.80 and 68,283,021.60
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Solution
The fourth proportional to 102,925,101.60, 154,245,934.80 and 68,283,021.60 is: 102,330,513.49
Step by Step Solution
- Step 1: Write the proportion equation
102,925,101.60 : 154,245,934.80 = 68,283,021.60 : x - Step 2: Convert to fraction form
102,925,101.60/154,245,934.80 = 68,283,021.60/x - Step 3: Cross multiply
102,925,101.60x = 154,245,934.80 × 68,283,021.60 - Step 4: Simplify right side
102,925,101.60x = 10,532,378,497,660,592 - Step 5: Solve for x
x = 10,532,378,497,660,592/102,925,101.60 - Step 6: Final answer
x = 102,330,513.49
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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.