Finding the Fourth Proportional to 43,994,850.21, 65,988,398.88 and 19,727,263.98
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Solution
The fourth proportional to 43,994,850.21, 65,988,398.88 and 19,727,263.98 is: 29,589,157.78
Step by Step Solution
- Step 1: Write the proportion equation
43,994,850.21 : 65,988,398.88 = 19,727,263.98 : x - Step 2: Convert to fraction form
43,994,850.21/65,988,398.88 = 19,727,263.98/x - Step 3: Cross multiply
43,994,850.21x = 65,988,398.88 × 19,727,263.98 - Step 4: Simplify right side
43,994,850.21x = 1,301,770,564,323,296.50 - Step 5: Solve for x
x = 1,301,770,564,323,296.50/43,994,850.21 - Step 6: Final answer
x = 29,589,157.78
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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.