Finding the Fourth Proportional to 87,540,356.21, 131,355,955.53 and 39,006,921.92
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Solution
The fourth proportional to 87,540,356.21, 131,355,955.53 and 39,006,921.92 is: 58,530,622.02
Step by Step Solution
- Step 1: Write the proportion equation
87,540,356.21 : 131,355,955.53 = 39,006,921.92 : x - Step 2: Convert to fraction form
87,540,356.21/131,355,955.53 = 39,006,921.92/x - Step 3: Cross multiply
87,540,356.21x = 131,355,955.53 × 39,006,921.92 - Step 4: Simplify right side
87,540,356.21x = 5,123,791,500,428,922 - Step 5: Solve for x
x = 5,123,791,500,428,922/87,540,356.21 - Step 6: Final answer
x = 58,530,622.02
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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.