Finding the Fourth Proportional to 69,891,062.26, 96,449,958.23 and 38,528,422.94
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Solution
The fourth proportional to 69,891,062.26, 96,449,958.23 and 38,528,422.94 is: 53,169,384.79
Step by Step Solution
- Step 1: Write the proportion equation
69,891,062.26 : 96,449,958.23 = 38,528,422.94 : x - Step 2: Convert to fraction form
69,891,062.26/96,449,958.23 = 38,528,422.94/x - Step 3: Cross multiply
69,891,062.26x = 96,449,958.23 × 38,528,422.94 - Step 4: Simplify right side
69,891,062.26x = 3,716,064,782,555,882 - Step 5: Solve for x
x = 3,716,064,782,555,882/69,891,062.26 - Step 6: Final answer
x = 53,169,384.79
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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.