Finding the Fourth Proportional to 236,431,023.80, 354,646,535.70 and 193,915,743.80
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Solution
The fourth proportional to 236,431,023.80, 354,646,535.70 and 193,915,743.80 is: 290,873,615.70
Step by Step Solution
- Step 1: Write the proportion equation
236,431,023.80 : 354,646,535.70 = 193,915,743.80 : x - Step 2: Convert to fraction form
236,431,023.80/354,646,535.70 = 193,915,743.80/x - Step 3: Cross multiply
236,431,023.80x = 354,646,535.70 × 193,915,743.80 - Step 4: Simplify right side
236,431,023.80x = 68,771,546,756,358,752 - Step 5: Solve for x
x = 68,771,546,756,358,752/236,431,023.80 - Step 6: Final answer
x = 290,873,615.70
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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.