Finding the Fourth Proportional to 89,028,756.23, 133,545,758.75 and 75,992,715.05
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Solution
The fourth proportional to 89,028,756.23, 133,545,758.75 and 75,992,715.05 is: 113,991,312.70
Step by Step Solution
- Step 1: Write the proportion equation
89,028,756.23 : 133,545,758.75 = 75,992,715.05 : x - Step 2: Convert to fraction form
89,028,756.23/133,545,758.75 = 75,992,715.05/x - Step 3: Cross multiply
89,028,756.23x = 133,545,758.75 × 75,992,715.05 - Step 4: Simplify right side
89,028,756.23x = 10,148,504,790,824,794 - Step 5: Solve for x
x = 10,148,504,790,824,794/89,028,756.23 - Step 6: Final answer
x = 113,991,312.70
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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.