Finding the Fourth Proportional to 177,503,557.68, 244,950,210.78 and 99,187,754.72
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Solution
The fourth proportional to 177,503,557.68, 244,950,210.78 and 99,187,754.72 is: 136,876,475.84
Step by Step Solution
- Step 1: Write the proportion equation
177,503,557.68 : 244,950,210.78 = 99,187,754.72 : x - Step 2: Convert to fraction form
177,503,557.68/244,950,210.78 = 99,187,754.72/x - Step 3: Cross multiply
177,503,557.68x = 244,950,210.78 × 99,187,754.72 - Step 4: Simplify right side
177,503,557.68x = 24,296,061,424,350,628 - Step 5: Solve for x
x = 24,296,061,424,350,628/177,503,557.68 - Step 6: Final answer
x = 136,876,475.84
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1.5x scale
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.