Finding the Fourth Proportional to 51,474,134.88, 77,211,152.64 and 13,135,649.04
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Solution
The fourth proportional to 51,474,134.88, 77,211,152.64 and 13,135,649.04 is: 19,703,460.88
Step by Step Solution
- Step 1: Write the proportion equation
51,474,134.88 : 77,211,152.64 = 13,135,649.04 : x - Step 2: Convert to fraction form
51,474,134.88/77,211,152.64 = 13,135,649.04/x - Step 3: Cross multiply
51,474,134.88x = 77,211,152.64 × 13,135,649.04 - Step 4: Simplify right side
51,474,134.88x = 1,014,218,603,052,909.38 - Step 5: Solve for x
x = 1,014,218,603,052,909.38/51,474,134.88 - Step 6: Final answer
x = 19,703,460.88
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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.