Finding the Fourth Proportional to 87,367,519.20, 131,135,259.60 and 44,285,368.80
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Solution
The fourth proportional to 87,367,519.20, 131,135,259.60 and 44,285,368.80 is: 66,470,621.89
Step by Step Solution
- Step 1: Write the proportion equation
87,367,519.20 : 131,135,259.60 = 44,285,368.80 : x - Step 2: Convert to fraction form
87,367,519.20/131,135,259.60 = 44,285,368.80/x - Step 3: Cross multiply
87,367,519.20x = 131,135,259.60 × 44,285,368.80 - Step 4: Simplify right side
87,367,519.20x = 5,807,373,334,069,740 - Step 5: Solve for x
x = 5,807,373,334,069,740/87,367,519.20 - Step 6: Final answer
x = 66,470,621.89
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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.