Finding the Fourth Proportional to 202,088,726.40, 303,133,089.60 and 125,561,222.40
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Solution
The fourth proportional to 202,088,726.40, 303,133,089.60 and 125,561,222.40 is: 188,341,833.60
Step by Step Solution
- Step 1: Write the proportion equation
202,088,726.40 : 303,133,089.60 = 125,561,222.40 : x - Step 2: Convert to fraction form
202,088,726.40/303,133,089.60 = 125,561,222.40/x - Step 3: Cross multiply
202,088,726.40x = 303,133,089.60 × 125,561,222.40 - Step 4: Simplify right side
202,088,726.40x = 38,061,761,280,064,728 - Step 5: Solve for x
x = 38,061,761,280,064,728/202,088,726.40 - Step 6: Final answer
x = 188,341,833.60
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1.5x scale
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.