Finding the Fourth Proportional to 47,982,529.71, 66,147,021.50 and 34,207,578.99
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Solution
The fourth proportional to 47,982,529.71, 66,147,021.50 and 34,207,578.99 is: 47,157,360.74
Step by Step Solution
- Step 1: Write the proportion equation
47,982,529.71 : 66,147,021.50 = 34,207,578.99 : x - Step 2: Convert to fraction form
47,982,529.71/66,147,021.50 = 34,207,578.99/x - Step 3: Cross multiply
47,982,529.71x = 66,147,021.50 × 34,207,578.99 - Step 4: Simplify right side
47,982,529.71x = 2,262,729,462,743,440.50 - Step 5: Solve for x
x = 2,262,729,462,743,440.50/47,982,529.71 - Step 6: Final answer
x = 47,157,360.74
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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.