Finding the Fourth Proportional to 125,803,251.42, 173,608,131.51 and 70,799,107.98
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Solution
The fourth proportional to 125,803,251.42, 173,608,131.51 and 70,799,107.98 is: 97,702,568.97
Step by Step Solution
- Step 1: Write the proportion equation
125,803,251.42 : 173,608,131.51 = 70,799,107.98 : x - Step 2: Convert to fraction form
125,803,251.42/173,608,131.51 = 70,799,107.98/x - Step 3: Cross multiply
125,803,251.42x = 173,608,131.51 × 70,799,107.98 - Step 4: Simplify right side
125,803,251.42x = 12,291,300,848,982,530 - Step 5: Solve for x
x = 12,291,300,848,982,530/125,803,251.42 - Step 6: Final answer
x = 97,702,568.97
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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.