Finding the Fourth Proportional to 75,245,698.29, 112,863,066.84 and 33,759,420.96
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Solution
The fourth proportional to 75,245,698.29, 112,863,066.84 and 33,759,420.96 is: 50,636,672.54
Step by Step Solution
- Step 1: Write the proportion equation
75,245,698.29 : 112,863,066.84 = 33,759,420.96 : x - Step 2: Convert to fraction form
75,245,698.29/112,863,066.84 = 33,759,420.96/x - Step 3: Cross multiply
75,245,698.29x = 112,863,066.84 × 33,759,420.96 - Step 4: Simplify right side
75,245,698.29x = 3,810,191,784,288,177 - Step 5: Solve for x
x = 3,810,191,784,288,177/75,245,698.29 - Step 6: Final answer
x = 50,636,672.54
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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.