Finding the Fourth Proportional to 369,115,650.12, 553,728,529.87 and 135,928,432.38
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Solution
The fourth proportional to 369,115,650.12, 553,728,529.87 and 135,928,432.38 is: 203,912,922.70
Step by Step Solution
- Step 1: Write the proportion equation
369,115,650.12 : 553,728,529.87 = 135,928,432.38 : x - Step 2: Convert to fraction form
369,115,650.12/553,728,529.87 = 135,928,432.38/x - Step 3: Cross multiply
369,115,650.12x = 553,728,529.87 × 135,928,432.38 - Step 4: Simplify right side
369,115,650.12x = 75,267,451,029,311,104 - Step 5: Solve for x
x = 75,267,451,029,311,104/369,115,650.12 - Step 6: Final answer
x = 203,912,922.70
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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.