Finding the Fourth Proportional to 228,850,923.07, 315,810,553.21 and 124,431,623.92
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Solution
The fourth proportional to 228,850,923.07, 315,810,553.21 and 124,431,623.92 is: 171,713,618.02
Step by Step Solution
- Step 1: Write the proportion equation
228,850,923.07 : 315,810,553.21 = 124,431,623.92 : x - Step 2: Convert to fraction form
228,850,923.07/315,810,553.21 = 124,431,623.92/x - Step 3: Cross multiply
228,850,923.07x = 315,810,553.21 × 124,431,623.92 - Step 4: Simplify right side
228,850,923.07x = 39,296,819,986,993,864 - Step 5: Solve for x
x = 39,296,819,986,993,864/228,850,923.07 - Step 6: Final answer
x = 171,713,618.02
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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.