Finding the Fourth Proportional to 103,674,372.70, 155,511,559.05 and 62,992,564.15
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Solution
The fourth proportional to 103,674,372.70, 155,511,559.05 and 62,992,564.15 is: 94,488,846.23
Step by Step Solution
- Step 1: Write the proportion equation
103,674,372.70 : 155,511,559.05 = 62,992,564.15 : x - Step 2: Convert to fraction form
103,674,372.70/155,511,559.05 = 62,992,564.15/x - Step 3: Cross multiply
103,674,372.70x = 155,511,559.05 × 62,992,564.15 - Step 4: Simplify right side
103,674,372.70x = 9,796,071,859,523,638 - Step 5: Solve for x
x = 9,796,071,859,523,638/103,674,372.70 - Step 6: Final answer
x = 94,488,846.23
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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.