Finding the Fourth Proportional to 57,548,044.12, 79,415,361.48 and 31,442,000.08
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Solution
The fourth proportional to 57,548,044.12, 79,415,361.48 and 31,442,000.08 is: 43,389,446.86
Step by Step Solution
- Step 1: Write the proportion equation
57,548,044.12 : 79,415,361.48 = 31,442,000.08 : x - Step 2: Convert to fraction form
57,548,044.12/79,415,361.48 = 31,442,000.08/x - Step 3: Cross multiply
57,548,044.12x = 79,415,361.48 × 31,442,000.08 - Step 4: Simplify right side
57,548,044.12x = 2,496,977,802,007,389 - Step 5: Solve for x
x = 2,496,977,802,007,389/57,548,044.12 - Step 6: Final answer
x = 43,389,446.86
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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.