Finding the Fourth Proportional to 54,105,915.12, 74,658,189.12 and 32,901,877.68
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Solution
The fourth proportional to 54,105,915.12, 74,658,189.12 and 32,901,877.68 is: 45,399,742.35
Step by Step Solution
- Step 1: Write the proportion equation
54,105,915.12 : 74,658,189.12 = 32,901,877.68 : x - Step 2: Convert to fraction form
54,105,915.12/74,658,189.12 = 32,901,877.68/x - Step 3: Cross multiply
54,105,915.12x = 74,658,189.12 × 32,901,877.68 - Step 4: Simplify right side
54,105,915.12x = 2,456,394,606,236,547 - Step 5: Solve for x
x = 2,456,394,606,236,547/54,105,915.12 - Step 6: Final answer
x = 45,399,742.35
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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.