Finding the Fourth Proportional to 113,593,883.80, 170,390,825.70 and 93,438,491.80
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Solution
The fourth proportional to 113,593,883.80, 170,390,825.70 and 93,438,491.80 is: 140,157,737.70
Step by Step Solution
- Step 1: Write the proportion equation
113,593,883.80 : 170,390,825.70 = 93,438,491.80 : x - Step 2: Convert to fraction form
113,593,883.80/170,390,825.70 = 93,438,491.80/x - Step 3: Cross multiply
113,593,883.80x = 170,390,825.70 × 93,438,491.80 - Step 4: Simplify right side
113,593,883.80x = 15,921,061,769,964,678 - Step 5: Solve for x
x = 15,921,061,769,964,678/113,593,883.80 - Step 6: Final answer
x = 140,157,737.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.