Finding the Fourth Proportional to 54,165,137.88, 74,748,035.16 and 29,385,324.66
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Solution
The fourth proportional to 54,165,137.88, 74,748,035.16 and 29,385,324.66 is: 40,551,826.63
Step by Step Solution
- Step 1: Write the proportion equation
54,165,137.88 : 74,748,035.16 = 29,385,324.66 : x - Step 2: Convert to fraction form
54,165,137.88/74,748,035.16 = 29,385,324.66/x - Step 3: Cross multiply
54,165,137.88x = 74,748,035.16 × 29,385,324.66 - Step 4: Simplify right side
54,165,137.88x = 2,196,495,280,873,695 - Step 5: Solve for x
x = 2,196,495,280,873,695/54,165,137.88 - Step 6: Final answer
x = 40,551,826.63
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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.