Finding the Fourth Proportional to 54,959,705.28, 75,841,431.84 and 30,511,846.08
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Solution
The fourth proportional to 54,959,705.28, 75,841,431.84 and 30,511,846.08 is: 42,104,703.49
Step by Step Solution
- Step 1: Write the proportion equation
54,959,705.28 : 75,841,431.84 = 30,511,846.08 : x - Step 2: Convert to fraction form
54,959,705.28/75,841,431.84 = 30,511,846.08/x - Step 3: Cross multiply
54,959,705.28x = 75,841,431.84 × 30,511,846.08 - Step 4: Simplify right side
54,959,705.28x = 2,314,062,094,788,891 - Step 5: Solve for x
x = 2,314,062,094,788,891/54,959,705.28 - Step 6: Final answer
x = 42,104,703.49
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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.