Finding the Fourth Proportional to 230,524,107.74, 318,125,792.70 and 126,102,180.09
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Solution
The fourth proportional to 230,524,107.74, 318,125,792.70 and 126,102,180.09 is: 174,022,389.22
Step by Step Solution
- Step 1: Write the proportion equation
230,524,107.74 : 318,125,792.70 = 126,102,180.09 : x - Step 2: Convert to fraction form
230,524,107.74/318,125,792.70 = 126,102,180.09/x - Step 3: Cross multiply
230,524,107.74x = 318,125,792.70 × 126,102,180.09 - Step 4: Simplify right side
230,524,107.74x = 40,116,356,002,329,408 - Step 5: Solve for x
x = 40,116,356,002,329,408/230,524,107.74 - Step 6: Final answer
x = 174,022,389.22
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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.