Finding the Fourth Proportional to 98,548,163.19, 135,997,346.37 and 54,498,125.87
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Solution
The fourth proportional to 98,548,163.19, 135,997,346.37 and 54,498,125.87 is: 75,207,900.99
Step by Step Solution
- Step 1: Write the proportion equation
98,548,163.19 : 135,997,346.37 = 54,498,125.87 : x - Step 2: Convert to fraction form
98,548,163.19/135,997,346.37 = 54,498,125.87/x - Step 3: Cross multiply
98,548,163.19x = 135,997,346.37 × 54,498,125.87 - Step 4: Simplify right side
98,548,163.19x = 7,411,600,499,505,771 - Step 5: Solve for x
x = 7,411,600,499,505,771/98,548,163.19 - Step 6: Final answer
x = 75,207,900.99
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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.