Finding the Fourth Proportional to 44,343,642.80, 66,515,464.20 and 29,214,657.20
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Solution
The fourth proportional to 44,343,642.80, 66,515,464.20 and 29,214,657.20 is: 43,821,985.80
Step by Step Solution
- Step 1: Write the proportion equation
44,343,642.80 : 66,515,464.20 = 29,214,657.20 : x - Step 2: Convert to fraction form
44,343,642.80/66,515,464.20 = 29,214,657.20/x - Step 3: Cross multiply
44,343,642.80x = 66,515,464.20 × 29,214,657.20 - Step 4: Simplify right side
44,343,642.80x = 1,943,226,485,101,872.25 - Step 5: Solve for x
x = 1,943,226,485,101,872.25/44,343,642.80 - Step 6: Final answer
x = 43,821,985.80
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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.