Finding the Fourth Proportional to 54,018,101.07, 74,544,983.12 and 29,571,815.07
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Solution
The fourth proportional to 54,018,101.07, 74,544,983.12 and 29,571,815.07 is: 40,809,106.79
Step by Step Solution
- Step 1: Write the proportion equation
54,018,101.07 : 74,544,983.12 = 29,571,815.07 : x - Step 2: Convert to fraction form
54,018,101.07/74,544,983.12 = 29,571,815.07/x - Step 3: Cross multiply
54,018,101.07x = 74,544,983.12 × 29,571,815.07 - Step 4: Simplify right side
54,018,101.07x = 2,204,430,455,407,274.25 - Step 5: Solve for x
x = 2,204,430,455,407,274.25/54,018,101.07 - Step 6: Final answer
x = 40,809,106.79
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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.