Finding the Fourth Proportional to 75,107,615.58, 103,699,121.38 and 46,892,988.49
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Solution
The fourth proportional to 75,107,615.58, 103,699,121.38 and 46,892,988.49 is: 64,743,923.34
Step by Step Solution
- Step 1: Write the proportion equation
75,107,615.58 : 103,699,121.38 = 46,892,988.49 : x - Step 2: Convert to fraction form
75,107,615.58/103,699,121.38 = 46,892,988.49/x - Step 3: Cross multiply
75,107,615.58x = 103,699,121.38 × 46,892,988.49 - Step 4: Simplify right side
75,107,615.58x = 4,862,761,705,295,453 - Step 5: Solve for x
x = 4,862,761,705,295,453/75,107,615.58 - Step 6: Final answer
x = 64,743,923.34
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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.