Finding the Fourth Proportional to 65,204,425.80, 97,806,638.70 and 42,529,609.80
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Solution
The fourth proportional to 65,204,425.80, 97,806,638.70 and 42,529,609.80 is: 63,794,414.70
Step by Step Solution
- Step 1: Write the proportion equation
65,204,425.80 : 97,806,638.70 = 42,529,609.80 : x - Step 2: Convert to fraction form
65,204,425.80/97,806,638.70 = 42,529,609.80/x - Step 3: Cross multiply
65,204,425.80x = 97,806,638.70 × 42,529,609.80 - Step 4: Simplify right side
65,204,425.80x = 4,159,678,179,760,579 - Step 5: Solve for x
x = 4,159,678,179,760,579/65,204,425.80 - Step 6: Final answer
x = 63,794,414.70
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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.