Finding the Fourth Proportional to 98,548,236.18, 135,997,446.68 and 54,498,198.56
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Solution
The fourth proportional to 98,548,236.18, 135,997,446.68 and 54,498,198.56 is: 75,208,001.08
Step by Step Solution
- Step 1: Write the proportion equation
98,548,236.18 : 135,997,446.68 = 54,498,198.56 : x - Step 2: Convert to fraction form
98,548,236.18/135,997,446.68 = 54,498,198.56/x - Step 3: Cross multiply
98,548,236.18x = 135,997,446.68 × 54,498,198.56 - Step 4: Simplify right side
98,548,236.18x = 7,411,615,852,819,653 - Step 5: Solve for x
x = 7,411,615,852,819,653/98,548,236.18 - Step 6: Final answer
x = 75,208,001.08
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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.