Finding the Fourth Proportional to 114,313,198.20, 157,765,737.42 and 67,903,635.48
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Solution
The fourth proportional to 114,313,198.20, 157,765,737.42 and 67,903,635.48 is: 93,715,050.35
Step by Step Solution
- Step 1: Write the proportion equation
114,313,198.20 : 157,765,737.42 = 67,903,635.48 : x - Step 2: Convert to fraction form
114,313,198.20/157,765,737.42 = 67,903,635.48/x - Step 3: Cross multiply
114,313,198.20x = 157,765,737.42 × 67,903,635.48 - Step 4: Simplify right side
114,313,198.20x = 10,712,867,125,001,076 - Step 5: Solve for x
x = 10,712,867,125,001,076/114,313,198.20 - Step 6: Final answer
x = 93,715,050.35
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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.