Finding the Fourth Proportional to 69,147,239.39, 95,421,804.68 and 38,206,613.15
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Solution
The fourth proportional to 69,147,239.39, 95,421,804.68 and 38,206,613.15 is: 52,724,360.50
Step by Step Solution
- Step 1: Write the proportion equation
69,147,239.39 : 95,421,804.68 = 38,206,613.15 : x - Step 2: Convert to fraction form
69,147,239.39/95,421,804.68 = 38,206,613.15/x - Step 3: Cross multiply
69,147,239.39x = 95,421,804.68 × 38,206,613.15 - Step 4: Simplify right side
69,147,239.39x = 3,645,743,977,292,586 - Step 5: Solve for x
x = 3,645,743,977,292,586/69,147,239.39 - Step 6: Final answer
x = 52,724,360.50
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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.