Finding the Fourth Proportional to 66,518,216.20, 99,795,986.70 and 32,440,673.80
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Solution
The fourth proportional to 66,518,216.20, 99,795,986.70 and 32,440,673.80 is: 48,670,112.28
Step by Step Solution
- Step 1: Write the proportion equation
66,518,216.20 : 99,795,986.70 = 32,440,673.80 : x - Step 2: Convert to fraction form
66,518,216.20/99,795,986.70 = 32,440,673.80/x - Step 3: Cross multiply
66,518,216.20x = 99,795,986.70 × 32,440,673.80 - Step 4: Simplify right side
66,518,216.20x = 3,237,449,051,083,838.50 - Step 5: Solve for x
x = 3,237,449,051,083,838.50/66,518,216.20 - Step 6: Final answer
x = 48,670,112.28
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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.