Finding the Fourth Proportional to 242,621,939.99, 364,255,766.78 and 127,687,194.92
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Solution
The fourth proportional to 242,621,939.99, 364,255,766.78 and 127,687,194.92 is: 191,700,705.61
Step by Step Solution
- Step 1: Write the proportion equation
242,621,939.99 : 364,255,766.78 = 127,687,194.92 : x - Step 2: Convert to fraction form
242,621,939.99/364,255,766.78 = 127,687,194.92/x - Step 3: Cross multiply
242,621,939.99x = 364,255,766.78 × 127,687,194.92 - Step 4: Simplify right side
242,621,939.99x = 46,510,797,093,844,120 - Step 5: Solve for x
x = 46,510,797,093,844,120/242,621,939.99 - Step 6: Final answer
x = 191,700,705.61
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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.