Finding the Fourth Proportional to 228,201,821.00, 342,361,748.21 and 133,634,743.71
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Solution
The fourth proportional to 228,201,821.00, 342,361,748.21 and 133,634,743.71 is: 200,486,675.69
Step by Step Solution
- Step 1: Write the proportion equation
228,201,821.00 : 342,361,748.21 = 133,634,743.71 : x - Step 2: Convert to fraction form
228,201,821.00/342,361,748.21 = 133,634,743.71/x - Step 3: Cross multiply
228,201,821.00x = 342,361,748.21 × 133,634,743.71 - Step 4: Simplify right side
228,201,821.00x = 45,751,424,477,482,720 - Step 5: Solve for x
x = 45,751,424,477,482,720/228,201,821.00 - Step 6: Final answer
x = 200,486,675.69
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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.