Finding the Fourth Proportional to 75,147,490.44, 112,559,276.70 and 50,752,270.62
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Solution
The fourth proportional to 75,147,490.44, 112,559,276.70 and 50,752,270.62 is: 76,019,023.90
Step by Step Solution
- Step 1: Write the proportion equation
75,147,490.44 : 112,559,276.70 = 50,752,270.62 : x - Step 2: Convert to fraction form
75,147,490.44/112,559,276.70 = 50,752,270.62/x - Step 3: Cross multiply
75,147,490.44x = 112,559,276.70 × 50,752,270.62 - Step 4: Simplify right side
75,147,490.44x = 5,712,638,871,869,860 - Step 5: Solve for x
x = 5,712,638,871,869,860/75,147,490.44 - Step 6: Final answer
x = 76,019,023.90
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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.