Finding the Fourth Proportional to 73,777,960.40, 110,489,793.60 and 39,624,018.80
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Solution
The fourth proportional to 73,777,960.40, 110,489,793.60 and 39,624,018.80 is: 59,340,887.65
Step by Step Solution
- Step 1: Write the proportion equation
73,777,960.40 : 110,489,793.60 = 39,624,018.80 : x - Step 2: Convert to fraction form
73,777,960.40/110,489,793.60 = 39,624,018.80/x - Step 3: Cross multiply
73,777,960.40x = 110,489,793.60 × 39,624,018.80 - Step 4: Simplify right side
73,777,960.40x = 4,378,049,658,814,519 - Step 5: Solve for x
x = 4,378,049,658,814,519/73,777,960.40 - Step 6: Final answer
x = 59,340,887.65
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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.