Finding the Fourth Proportional to 199,351,643.20, 299,027,464.80 and 53,784,923.20
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Solution
The fourth proportional to 199,351,643.20, 299,027,464.80 and 53,784,923.20 is: 80,677,384.80
Step by Step Solution
- Step 1: Write the proportion equation
199,351,643.20 : 299,027,464.80 = 53,784,923.20 : x - Step 2: Convert to fraction form
199,351,643.20/299,027,464.80 = 53,784,923.20/x - Step 3: Cross multiply
199,351,643.20x = 299,027,464.80 × 53,784,923.20 - Step 4: Simplify right side
199,351,643.20x = 16,083,169,228,958,704 - Step 5: Solve for x
x = 16,083,169,228,958,704/199,351,643.20 - Step 6: Final answer
x = 80,677,384.80
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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.