Finding the Fourth Proportional to 66,345,740.07, 99,563,450.43 and 23,215,317.09
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Solution
The fourth proportional to 66,345,740.07, 99,563,450.43 and 23,215,317.09 is: 34,838,665.90
Step by Step Solution
- Step 1: Write the proportion equation
66,345,740.07 : 99,563,450.43 = 23,215,317.09 : x - Step 2: Convert to fraction form
66,345,740.07/99,563,450.43 = 23,215,317.09/x - Step 3: Cross multiply
66,345,740.07x = 99,563,450.43 × 23,215,317.09 - Step 4: Simplify right side
66,345,740.07x = 2,311,397,072,306,947 - Step 5: Solve for x
x = 2,311,397,072,306,947/66,345,740.07 - Step 6: Final answer
x = 34,838,665.90
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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.