Finding the Fourth Proportional to 90,203,673.20, 135,325,438.84 and 32,694,449.69
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Solution
The fourth proportional to 90,203,673.20, 135,325,438.84 and 32,694,449.69 is: 49,048,897.84
Step by Step Solution
- Step 1: Write the proportion equation
90,203,673.20 : 135,325,438.84 = 32,694,449.69 : x - Step 2: Convert to fraction form
90,203,673.20/135,325,438.84 = 32,694,449.69/x - Step 3: Cross multiply
90,203,673.20x = 135,325,438.84 × 32,694,449.69 - Step 4: Simplify right side
90,203,673.20x = 4,424,390,752,119,066 - Step 5: Solve for x
x = 4,424,390,752,119,066/90,203,673.20 - Step 6: Final answer
x = 49,048,897.84
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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.