Finding the Fourth Proportional to 69,767,075.88, 96,277,624.92 and 38,827,236.96
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Solution
The fourth proportional to 69,767,075.88, 96,277,624.92 and 38,827,236.96 is: 53,581,063.98
Step by Step Solution
- Step 1: Write the proportion equation
69,767,075.88 : 96,277,624.92 = 38,827,236.96 : x - Step 2: Convert to fraction form
69,767,075.88/96,277,624.92 = 38,827,236.96/x - Step 3: Cross multiply
69,767,075.88x = 96,277,624.92 × 38,827,236.96 - Step 4: Simplify right side
69,767,075.88x = 3,738,194,156,714,841 - Step 5: Solve for x
x = 3,738,194,156,714,841/69,767,075.88 - Step 6: Final answer
x = 53,581,063.98
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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.