Finding the Fourth Proportional to 102,624,824.32, 141,568,564.56 and 63,454,079.68
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Solution
The fourth proportional to 102,624,824.32, 141,568,564.56 and 63,454,079.68 is: 87,533,430.97
Step by Step Solution
- Step 1: Write the proportion equation
102,624,824.32 : 141,568,564.56 = 63,454,079.68 : x - Step 2: Convert to fraction form
102,624,824.32/141,568,564.56 = 63,454,079.68/x - Step 3: Cross multiply
102,624,824.32x = 141,568,564.56 × 63,454,079.68 - Step 4: Simplify right side
102,624,824.32x = 8,983,102,975,773,464 - Step 5: Solve for x
x = 8,983,102,975,773,464/102,624,824.32 - Step 6: Final answer
x = 87,533,430.97
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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.