Finding the Fourth Proportional to 231,370,866.20, 319,292,401.68 and 125,524,276.02
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Solution
The fourth proportional to 231,370,866.20, 319,292,401.68 and 125,524,276.02 is: 173,223,829.85
Step by Step Solution
- Step 1: Write the proportion equation
231,370,866.20 : 319,292,401.68 = 125,524,276.02 : x - Step 2: Convert to fraction form
231,370,866.20/319,292,401.68 = 125,524,276.02/x - Step 3: Cross multiply
231,370,866.20x = 319,292,401.68 × 125,524,276.02 - Step 4: Simplify right side
231,370,866.20x = 40,078,947,559,215,048 - Step 5: Solve for x
x = 40,078,947,559,215,048/231,370,866.20 - Step 6: Final answer
x = 173,223,829.85
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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.