Finding the Fourth Proportional to 79,542,262.20, 109,783,388.70 and 49,786,708.08
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Solution
The fourth proportional to 79,542,262.20, 109,783,388.70 and 49,786,708.08 is: 68,715,087.73
Step by Step Solution
- Step 1: Write the proportion equation
79,542,262.20 : 109,783,388.70 = 49,786,708.08 : x - Step 2: Convert to fraction form
79,542,262.20/109,783,388.70 = 49,786,708.08/x - Step 3: Cross multiply
79,542,262.20x = 109,783,388.70 × 49,786,708.08 - Step 4: Simplify right side
79,542,262.20x = 5,465,753,525,240,071 - Step 5: Solve for x
x = 5,465,753,525,240,071/79,542,262.20 - Step 6: Final answer
x = 68,715,087.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.