Finding the Fourth Proportional to 104,976,163.40, 157,464,245.10 and 28,306,941.80
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Solution
The fourth proportional to 104,976,163.40, 157,464,245.10 and 28,306,941.80 is: 42,460,412.70
Step by Step Solution
- Step 1: Write the proportion equation
104,976,163.40 : 157,464,245.10 = 28,306,941.80 : x - Step 2: Convert to fraction form
104,976,163.40/157,464,245.10 = 28,306,941.80/x - Step 3: Cross multiply
104,976,163.40x = 157,464,245.10 × 28,306,941.80 - Step 4: Simplify right side
104,976,163.40x = 4,457,331,221,626,635 - Step 5: Solve for x
x = 4,457,331,221,626,635/104,976,163.40 - Step 6: Final answer
x = 42,460,412.70
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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.