Finding the Fourth Proportional to 145,678,481.16, 218,673,278.96 and 62,721,316.08
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Solution
The fourth proportional to 145,678,481.16, 218,673,278.96 and 62,721,316.08 is: 94,148,948.69
Step by Step Solution
- Step 1: Write the proportion equation
145,678,481.16 : 218,673,278.96 = 62,721,316.08 : x - Step 2: Convert to fraction form
145,678,481.16/218,673,278.96 = 62,721,316.08/x - Step 3: Cross multiply
145,678,481.16x = 218,673,278.96 × 62,721,316.08 - Step 4: Simplify right side
145,678,481.16x = 13,715,475,847,586,568 - Step 5: Solve for x
x = 13,715,475,847,586,568/145,678,481.16 - Step 6: Final answer
x = 94,148,948.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.