Finding the Fourth Proportional to 66,734,236.70, 100,101,355.05 and 53,745,206.30
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Solution
The fourth proportional to 66,734,236.70, 100,101,355.05 and 53,745,206.30 is: 80,617,809.45
Step by Step Solution
- Step 1: Write the proportion equation
66,734,236.70 : 100,101,355.05 = 53,745,206.30 : x - Step 2: Convert to fraction form
66,734,236.70/100,101,355.05 = 53,745,206.30/x - Step 3: Cross multiply
66,734,236.70x = 100,101,355.05 × 53,745,206.30 - Step 4: Simplify right side
66,734,236.70x = 5,379,967,978,071,796 - Step 5: Solve for x
x = 5,379,967,978,071,796/66,734,236.70 - Step 6: Final answer
x = 80,617,809.45
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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.