Finding the Fourth Proportional to 54,297,139.28, 74,929,380.36 and 29,850,639.44
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Solution
The fourth proportional to 54,297,139.28, 74,929,380.36 and 29,850,639.44 is: 41,193,513.07
Step by Step Solution
- Step 1: Write the proportion equation
54,297,139.28 : 74,929,380.36 = 29,850,639.44 : x - Step 2: Convert to fraction form
54,297,139.28/74,929,380.36 = 29,850,639.44/x - Step 3: Cross multiply
54,297,139.28x = 74,929,380.36 × 29,850,639.44 - Step 4: Simplify right side
54,297,139.28x = 2,236,689,916,588,977.50 - Step 5: Solve for x
x = 2,236,689,916,588,977.50/54,297,139.28 - Step 6: Final answer
x = 41,193,513.07
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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.