Finding the Fourth Proportional to 69,568,428.40, 104,352,642.60 and 44,038,265.20
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Solution
The fourth proportional to 69,568,428.40, 104,352,642.60 and 44,038,265.20 is: 66,057,397.80
Step by Step Solution
- Step 1: Write the proportion equation
69,568,428.40 : 104,352,642.60 = 44,038,265.20 : x - Step 2: Convert to fraction form
69,568,428.40/104,352,642.60 = 44,038,265.20/x - Step 3: Cross multiply
69,568,428.40x = 104,352,642.60 × 44,038,265.20 - Step 4: Simplify right side
69,568,428.40x = 4,595,509,349,139,618 - Step 5: Solve for x
x = 4,595,509,349,139,618/69,568,428.40 - Step 6: Final answer
x = 66,057,397.80
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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.