Finding the Fourth Proportional to 151,813,475.95, 209,502,695.66 and 82,198,903.99
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Solution
The fourth proportional to 151,813,475.95, 209,502,695.66 and 82,198,903.99 is: 113,434,541.02
Step by Step Solution
- Step 1: Write the proportion equation
151,813,475.95 : 209,502,695.66 = 82,198,903.99 : x - Step 2: Convert to fraction form
151,813,475.95/209,502,695.66 = 82,198,903.99/x - Step 3: Cross multiply
151,813,475.95x = 209,502,695.66 × 82,198,903.99 - Step 4: Simplify right side
151,813,475.95x = 17,220,891,964,744,022 - Step 5: Solve for x
x = 17,220,891,964,744,022/151,813,475.95 - Step 6: Final answer
x = 113,434,541.02
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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.