Finding the Fourth Proportional to 57,400,464.36, 79,192,768.68 and 36,785,277.48
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Solution
The fourth proportional to 57,400,464.36, 79,192,768.68 and 36,785,277.48 is: 50,750,947.80
Step by Step Solution
- Step 1: Write the proportion equation
57,400,464.36 : 79,192,768.68 = 36,785,277.48 : x - Step 2: Convert to fraction form
57,400,464.36/79,192,768.68 = 36,785,277.48/x - Step 3: Cross multiply
57,400,464.36x = 79,192,768.68 × 36,785,277.48 - Step 4: Simplify right side
57,400,464.36x = 2,913,127,970,303,253.50 - Step 5: Solve for x
x = 2,913,127,970,303,253.50/57,400,464.36 - Step 6: Final answer
x = 50,750,947.80
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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.