Finding the Fourth Proportional to 259,904,847.15, 389,857,270.73 and 106,660,882.35
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Solution
The fourth proportional to 259,904,847.15, 389,857,270.73 and 106,660,882.35 is: 159,991,323.53
Step by Step Solution
- Step 1: Write the proportion equation
259,904,847.15 : 389,857,270.73 = 106,660,882.35 : x - Step 2: Convert to fraction form
259,904,847.15/389,857,270.73 = 106,660,882.35/x - Step 3: Cross multiply
259,904,847.15x = 389,857,270.73 × 106,660,882.35 - Step 4: Simplify right side
259,904,847.15x = 41,582,520,486,091,328 - Step 5: Solve for x
x = 41,582,520,486,091,328/259,904,847.15 - Step 6: Final answer
x = 159,991,323.53
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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.