Finding the Fourth Proportional to 87,367,533.20, 131,135,280.60 and 44,285,382.80
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Solution
The fourth proportional to 87,367,533.20, 131,135,280.60 and 44,285,382.80 is: 66,470,642.90
Step by Step Solution
- Step 1: Write the proportion equation
87,367,533.20 : 131,135,280.60 = 44,285,382.80 : x - Step 2: Convert to fraction form
87,367,533.20/131,135,280.60 = 44,285,382.80/x - Step 3: Cross multiply
87,367,533.20x = 131,135,280.60 × 44,285,382.80 - Step 4: Simplify right side
87,367,533.20x = 5,807,376,099,956,413 - Step 5: Solve for x
x = 5,807,376,099,956,413/87,367,533.20 - Step 6: Final answer
x = 66,470,642.90
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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.