Finding the Fourth Proportional to 147,190,573.12, 220,785,064.66 and 84,901,515.34
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Solution
The fourth proportional to 147,190,573.12, 220,785,064.66 and 84,901,515.34 is: 127,351,814.43
Step by Step Solution
- Step 1: Write the proportion equation
147,190,573.12 : 220,785,064.66 = 84,901,515.34 : x - Step 2: Convert to fraction form
147,190,573.12/220,785,064.66 = 84,901,515.34/x - Step 3: Cross multiply
147,190,573.12x = 220,785,064.66 × 84,901,515.34 - Step 4: Simplify right side
147,190,573.12x = 18,744,986,554,073,884 - Step 5: Solve for x
x = 18,744,986,554,073,884/147,190,573.12 - Step 6: Final answer
x = 127,351,814.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.