Finding the Fourth Proportional to 199,959,464.54, 299,861,653.08 and 68,776,796.63
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Solution
The fourth proportional to 199,959,464.54, 299,861,653.08 and 68,776,796.63 is: 103,138,523.50
Step by Step Solution
- Step 1: Write the proportion equation
199,959,464.54 : 299,861,653.08 = 68,776,796.63 : x - Step 2: Convert to fraction form
199,959,464.54/299,861,653.08 = 68,776,796.63/x - Step 3: Cross multiply
199,959,464.54x = 299,861,653.08 × 68,776,796.63 - Step 4: Simplify right side
199,959,464.54x = 20,623,523,931,768,424 - Step 5: Solve for x
x = 20,623,523,931,768,424/199,959,464.54 - Step 6: Final answer
x = 103,138,523.50
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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.