Finding the Fourth Proportional to 236,642,866.26, 356,579,561.27 and 194,457,079.68
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Solution
The fourth proportional to 236,642,866.26, 356,579,561.27 and 194,457,079.68 is: 293,012,932.33
Step by Step Solution
- Step 1: Write the proportion equation
236,642,866.26 : 356,579,561.27 = 194,457,079.68 : x - Step 2: Convert to fraction form
236,642,866.26/356,579,561.27 = 194,457,079.68/x - Step 3: Cross multiply
236,642,866.26x = 356,579,561.27 × 194,457,079.68 - Step 4: Simplify right side
236,642,866.26x = 69,339,420,157,167,544 - Step 5: Solve for x
x = 69,339,420,157,167,544/236,642,866.26 - Step 6: Final answer
x = 293,012,932.33
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.