Finding the Fourth Proportional to 177,503,557.75, 244,950,210.86 and 99,187,754.78
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Solution
The fourth proportional to 177,503,557.75, 244,950,210.86 and 99,187,754.78 is: 136,876,475.92
Step by Step Solution
- Step 1: Write the proportion equation
177,503,557.75 : 244,950,210.86 = 99,187,754.78 : x - Step 2: Convert to fraction form
177,503,557.75/244,950,210.86 = 99,187,754.78/x - Step 3: Cross multiply
177,503,557.75x = 244,950,210.86 × 99,187,754.78 - Step 4: Simplify right side
177,503,557.75x = 24,296,061,448,090,976 - Step 5: Solve for x
x = 24,296,061,448,090,976/177,503,557.75 - Step 6: Final answer
x = 136,876,475.92
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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.