Finding the Fourth Proportional to 295,239,793.20, 442,859,689.80 and 122,659,249.20
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Solution
The fourth proportional to 295,239,793.20, 442,859,689.80 and 122,659,249.20 is: 183,988,873.80
Step by Step Solution
- Step 1: Write the proportion equation
295,239,793.20 : 442,859,689.80 = 122,659,249.20 : x - Step 2: Convert to fraction form
295,239,793.20/442,859,689.80 = 122,659,249.20/x - Step 3: Cross multiply
295,239,793.20x = 442,859,689.80 × 122,659,249.20 - Step 4: Simplify right side
295,239,793.20x = 54,320,837,051,812,904 - Step 5: Solve for x
x = 54,320,837,051,812,904/295,239,793.20 - Step 6: Final answer
x = 183,988,873.80
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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.