Finding the Fourth Proportional to 84,657,450.60, 126,986,175.90 and 27,155,534.40
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Solution
The fourth proportional to 84,657,450.60, 126,986,175.90 and 27,155,534.40 is: 40,733,301.60
Step by Step Solution
- Step 1: Write the proportion equation
84,657,450.60 : 126,986,175.90 = 27,155,534.40 : x - Step 2: Convert to fraction form
84,657,450.60/126,986,175.90 = 27,155,534.40/x - Step 3: Cross multiply
84,657,450.60x = 126,986,175.90 × 27,155,534.40 - Step 4: Simplify right side
84,657,450.60x = 3,448,377,467,976,901 - Step 5: Solve for x
x = 3,448,377,467,976,901/84,657,450.60 - Step 6: Final answer
x = 40,733,301.60
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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.