Finding the Fourth Proportional to 285,768,415.52, 428,664,247.12 and 136,125,951.32
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Solution
The fourth proportional to 285,768,415.52, 428,664,247.12 and 136,125,951.32 is: 204,194,464.00
Step by Step Solution
- Step 1: Write the proportion equation
285,768,415.52 : 428,664,247.12 = 136,125,951.32 : x - Step 2: Convert to fraction form
285,768,415.52/428,664,247.12 = 136,125,951.32/x - Step 3: Cross multiply
285,768,415.52x = 428,664,247.12 × 136,125,951.32 - Step 4: Simplify right side
285,768,415.52x = 58,352,328,436,081,568 - Step 5: Solve for x
x = 58,352,328,436,081,568/285,768,415.52 - Step 6: Final answer
x = 204,194,464.00
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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.