Finding the Fourth Proportional to 106,235,859.87, 159,288,878.97 and 50,920,620.96
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Solution
The fourth proportional to 106,235,859.87, 159,288,878.97 and 50,920,620.96 is: 76,349,818.59
Step by Step Solution
- Step 1: Write the proportion equation
106,235,859.87 : 159,288,878.97 = 50,920,620.96 : x - Step 2: Convert to fraction form
106,235,859.87/159,288,878.97 = 50,920,620.96/x - Step 3: Cross multiply
106,235,859.87x = 159,288,878.97 × 50,920,620.96 - Step 4: Simplify right side
106,235,859.87x = 8,111,088,629,174,685 - Step 5: Solve for x
x = 8,111,088,629,174,685/106,235,859.87 - Step 6: Final answer
x = 76,349,818.59
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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.