Finding the Fourth Proportional to 194,110,339.62, 291,310,120.80 and 142,428,491.52
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Solution
The fourth proportional to 194,110,339.62, 291,310,120.80 and 142,428,491.52 is: 213,748,845.89
Step by Step Solution
- Step 1: Write the proportion equation
194,110,339.62 : 291,310,120.80 = 142,428,491.52 : x - Step 2: Convert to fraction form
194,110,339.62/291,310,120.80 = 142,428,491.52/x - Step 3: Cross multiply
194,110,339.62x = 291,310,120.80 × 142,428,491.52 - Step 4: Simplify right side
194,110,339.62x = 41,490,861,070,052,984 - Step 5: Solve for x
x = 41,490,861,070,052,984/194,110,339.62 - Step 6: Final answer
x = 213,748,845.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.