Finding the Fourth Proportional to 76,993,339.24, 115,452,217.34 and 38,086,838.92
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Solution
The fourth proportional to 76,993,339.24, 115,452,217.34 and 38,086,838.92 is: 57,111,563.78
Step by Step Solution
- Step 1: Write the proportion equation
76,993,339.24 : 115,452,217.34 = 38,086,838.92 : x - Step 2: Convert to fraction form
76,993,339.24/115,452,217.34 = 38,086,838.92/x - Step 3: Cross multiply
76,993,339.24x = 115,452,217.34 × 38,086,838.92 - Step 4: Simplify right side
76,993,339.24x = 4,397,210,004,785,411 - Step 5: Solve for x
x = 4,397,210,004,785,411/76,993,339.24 - Step 6: Final answer
x = 57,111,563.78
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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.