Finding the Fourth Proportional to 76,512,821.40, 114,769,232.10 and 73,536,751.80
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Solution
The fourth proportional to 76,512,821.40, 114,769,232.10 and 73,536,751.80 is: 110,305,127.70
Step by Step Solution
- Step 1: Write the proportion equation
76,512,821.40 : 114,769,232.10 = 73,536,751.80 : x - Step 2: Convert to fraction form
76,512,821.40/114,769,232.10 = 73,536,751.80/x - Step 3: Cross multiply
76,512,821.40x = 114,769,232.10 × 73,536,751.80 - Step 4: Simplify right side
76,512,821.40x = 8,439,756,535,214,292 - Step 5: Solve for x
x = 8,439,756,535,214,292/76,512,821.40 - Step 6: Final answer
x = 110,305,127.70
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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.