Finding the Fourth Proportional to 53,571,786.80, 73,944,799.40 and 34,989,767.68
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Solution
The fourth proportional to 53,571,786.80, 73,944,799.40 and 34,989,767.68 is: 48,296,155.62
Step by Step Solution
- Step 1: Write the proportion equation
53,571,786.80 : 73,944,799.40 = 34,989,767.68 : x - Step 2: Convert to fraction form
53,571,786.80/73,944,799.40 = 34,989,767.68/x - Step 3: Cross multiply
53,571,786.80x = 73,944,799.40 × 34,989,767.68 - Step 4: Simplify right side
53,571,786.80x = 2,587,311,352,150,203.50 - Step 5: Solve for x
x = 2,587,311,352,150,203.50/53,571,786.80 - Step 6: Final answer
x = 48,296,155.62
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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.