Finding the Fourth Proportional to 48,378,450.80, 72,468,143.40 and 24,457,401.20
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Solution
The fourth proportional to 48,378,450.80, 72,468,143.40 and 24,457,401.20 is: 36,635,783.66
Step by Step Solution
- Step 1: Write the proportion equation
48,378,450.80 : 72,468,143.40 = 24,457,401.20 : x - Step 2: Convert to fraction form
48,378,450.80/72,468,143.40 = 24,457,401.20/x - Step 3: Cross multiply
48,378,450.80x = 72,468,143.40 × 24,457,401.20 - Step 4: Simplify right side
48,378,450.80x = 1,772,382,457,352,932.25 - Step 5: Solve for x
x = 1,772,382,457,352,932.25/48,378,450.80 - Step 6: Final answer
x = 36,635,783.66
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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.