Finding the Fourth Proportional to 186,550,763.36, 257,438,614.98 and 102,922,418.48
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Solution
The fourth proportional to 186,550,763.36, 257,438,614.98 and 102,922,418.48 is: 142,032,143.89
Step by Step Solution
- Step 1: Write the proportion equation
186,550,763.36 : 257,438,614.98 = 102,922,418.48 : x - Step 2: Convert to fraction form
186,550,763.36/257,438,614.98 = 102,922,418.48/x - Step 3: Cross multiply
186,550,763.36x = 257,438,614.98 × 102,922,418.48 - Step 4: Simplify right side
186,550,763.36x = 26,496,204,863,883,156 - Step 5: Solve for x
x = 26,496,204,863,883,156/186,550,763.36 - Step 6: Final answer
x = 142,032,143.89
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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.