Finding the Fourth Proportional to 98,548,162.68, 135,997,345.68 and 54,498,125.36
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Solution
The fourth proportional to 98,548,162.68, 135,997,345.68 and 54,498,125.36 is: 75,207,900.30
Step by Step Solution
- Step 1: Write the proportion equation
98,548,162.68 : 135,997,345.68 = 54,498,125.36 : x - Step 2: Convert to fraction form
98,548,162.68/135,997,345.68 = 54,498,125.36/x - Step 3: Cross multiply
98,548,162.68x = 135,997,345.68 × 54,498,125.36 - Step 4: Simplify right side
98,548,162.68x = 7,411,600,393,631,520 - Step 5: Solve for x
x = 7,411,600,393,631,520/98,548,162.68 - Step 6: Final answer
x = 75,207,900.30
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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.