Finding the Fourth Proportional to 80,011,842.10, 110,434,105.09 and 48,643,225.65
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Solution
The fourth proportional to 80,011,842.10, 110,434,105.09 and 48,643,225.65 is: 67,138,450.41
Step by Step Solution
- Step 1: Write the proportion equation
80,011,842.10 : 110,434,105.09 = 48,643,225.65 : x - Step 2: Convert to fraction form
80,011,842.10/110,434,105.09 = 48,643,225.65/x - Step 3: Cross multiply
80,011,842.10x = 110,434,105.09 × 48,643,225.65 - Step 4: Simplify right side
80,011,842.10x = 5,371,871,093,348,684 - Step 5: Solve for x
x = 5,371,871,093,348,684/80,011,842.10 - Step 6: Final answer
x = 67,138,450.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.