Finding the Fourth Proportional to 42,202,219.20, 63,303,328.80 and 25,196,107.20
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Solution
The fourth proportional to 42,202,219.20, 63,303,328.80 and 25,196,107.20 is: 37,794,160.80
Step by Step Solution
- Step 1: Write the proportion equation
42,202,219.20 : 63,303,328.80 = 25,196,107.20 : x - Step 2: Convert to fraction form
42,202,219.20/63,303,328.80 = 25,196,107.20/x - Step 3: Cross multiply
42,202,219.20x = 63,303,328.80 × 25,196,107.20 - Step 4: Simplify right side
42,202,219.20x = 1,594,997,458,561,647.25 - Step 5: Solve for x
x = 1,594,997,458,561,647.25/42,202,219.20 - Step 6: Final answer
x = 37,794,160.80
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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.