Finding the Fourth Proportional to 46,389,531.02, 69,583,853.46 and 28,198,748.66
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Solution
The fourth proportional to 46,389,531.02, 69,583,853.46 and 28,198,748.66 is: 42,297,853.66
Step by Step Solution
- Step 1: Write the proportion equation
46,389,531.02 : 69,583,853.46 = 28,198,748.66 : x - Step 2: Convert to fraction form
46,389,531.02/69,583,853.46 = 28,198,748.66/x - Step 3: Cross multiply
46,389,531.02x = 69,583,853.46 × 28,198,748.66 - Step 4: Simplify right side
46,389,531.02x = 1,962,177,594,512,811.25 - Step 5: Solve for x
x = 1,962,177,594,512,811.25/46,389,531.02 - Step 6: Final answer
x = 42,297,853.66
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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.