Finding the Fourth Proportional to 69,189,674.81, 95,483,743.92 and 38,251,836.99
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Solution
The fourth proportional to 69,189,674.81, 95,483,743.92 and 38,251,836.99 is: 52,788,636.71
Step by Step Solution
- Step 1: Write the proportion equation
69,189,674.81 : 95,483,743.92 = 38,251,836.99 : x - Step 2: Convert to fraction form
69,189,674.81/95,483,743.92 = 38,251,836.99/x - Step 3: Cross multiply
69,189,674.81x = 95,483,743.92 × 38,251,836.99 - Step 4: Simplify right side
69,189,674.81x = 3,652,428,607,622,744 - Step 5: Solve for x
x = 3,652,428,607,622,744/69,189,674.81 - Step 6: Final answer
x = 52,788,636.71
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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.