Finding the Fourth Proportional to 53,977,520.88, 74,490,767.64 and 29,531,245.68
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Solution
The fourth proportional to 53,977,520.88, 74,490,767.64 and 29,531,245.68 is: 40,754,097.71
Step by Step Solution
- Step 1: Write the proportion equation
53,977,520.88 : 74,490,767.64 = 29,531,245.68 : x - Step 2: Convert to fraction form
53,977,520.88/74,490,767.64 = 29,531,245.68/x - Step 3: Cross multiply
53,977,520.88x = 74,490,767.64 × 29,531,245.68 - Step 4: Simplify right side
53,977,520.88x = 2,199,805,160,068,633.75 - Step 5: Solve for x
x = 2,199,805,160,068,633.75/53,977,520.88 - Step 6: Final answer
x = 40,754,097.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.