Finding the Fourth Proportional to 98,548,229.18, 135,997,437.02 and 54,498,191.55
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Solution
The fourth proportional to 98,548,229.18, 135,997,437.02 and 54,498,191.55 is: 75,207,991.40
Step by Step Solution
- Step 1: Write the proportion equation
98,548,229.18 : 135,997,437.02 = 54,498,191.55 : x - Step 2: Convert to fraction form
98,548,229.18/135,997,437.02 = 54,498,191.55/x - Step 3: Cross multiply
98,548,229.18x = 135,997,437.02 × 54,498,191.55 - Step 4: Simplify right side
98,548,229.18x = 7,411,614,372,752,529 - Step 5: Solve for x
x = 7,411,614,372,752,529/98,548,229.18 - Step 6: Final answer
x = 75,207,991.40
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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.