Finding the Fourth Proportional to 114,082,982.16, 157,454,639.28 and 67,698,811.68
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Solution
The fourth proportional to 114,082,982.16, 157,454,639.28 and 67,698,811.68 is: 93,436,301.99
Step by Step Solution
- Step 1: Write the proportion equation
114,082,982.16 : 157,454,639.28 = 67,698,811.68 : x - Step 2: Convert to fraction form
114,082,982.16/157,454,639.28 = 67,698,811.68/x - Step 3: Cross multiply
114,082,982.16x = 157,454,639.28 × 67,698,811.68 - Step 4: Simplify right side
114,082,982.16x = 10,659,491,972,759,052 - Step 5: Solve for x
x = 10,659,491,972,759,052/114,082,982.16 - Step 6: Final answer
x = 93,436,301.99
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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.