Finding the Fourth Proportional to 48,918,839.20, 73,378,258.80 and 26,244,023.20
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Solution
The fourth proportional to 48,918,839.20, 73,378,258.80 and 26,244,023.20 is: 39,366,034.80
Step by Step Solution
- Step 1: Write the proportion equation
48,918,839.20 : 73,378,258.80 = 26,244,023.20 : x - Step 2: Convert to fraction form
48,918,839.20/73,378,258.80 = 26,244,023.20/x - Step 3: Cross multiply
48,918,839.20x = 73,378,258.80 × 26,244,023.20 - Step 4: Simplify right side
48,918,839.20x = 1,925,740,726,322,804 - Step 5: Solve for x
x = 1,925,740,726,322,804/48,918,839.20 - Step 6: Final answer
x = 39,366,034.80
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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.