Finding the Fourth Proportional to 56,891,954.99, 78,511,104.54 and 30,786,469.99
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Solution
The fourth proportional to 56,891,954.99, 78,511,104.54 and 30,786,469.99 is: 42,485,440.41
Step by Step Solution
- Step 1: Write the proportion equation
56,891,954.99 : 78,511,104.54 = 30,786,469.99 : x - Step 2: Convert to fraction form
56,891,954.99/78,511,104.54 = 30,786,469.99/x - Step 3: Cross multiply
56,891,954.99x = 78,511,104.54 × 30,786,469.99 - Step 4: Simplify right side
56,891,954.99x = 2,417,079,763,606,185.50 - Step 5: Solve for x
x = 2,417,079,763,606,185.50/56,891,954.99 - Step 6: Final answer
x = 42,485,440.41
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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.