Finding the Fourth Proportional to 54,018,101.58, 74,544,983.81 and 29,571,815.58
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Solution
The fourth proportional to 54,018,101.58, 74,544,983.81 and 29,571,815.58 is: 40,809,107.48
Step by Step Solution
- Step 1: Write the proportion equation
54,018,101.58 : 74,544,983.81 = 29,571,815.58 : x - Step 2: Convert to fraction form
54,018,101.58/74,544,983.81 = 29,571,815.58/x - Step 3: Cross multiply
54,018,101.58x = 74,544,983.81 × 29,571,815.58 - Step 4: Simplify right side
54,018,101.58x = 2,204,430,513,270,680.75 - Step 5: Solve for x
x = 2,204,430,513,270,680.75/54,018,101.58 - Step 6: Final answer
x = 40,809,107.48
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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.