Finding the Fourth Proportional to 254,241,113.97, 381,365,213.90 and 72,488,291.97
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Solution
The fourth proportional to 254,241,113.97, 381,365,213.90 and 72,488,291.97 is: 108,733,448.11
Step by Step Solution
- Step 1: Write the proportion equation
254,241,113.97 : 381,365,213.90 = 72,488,291.97 : x - Step 2: Convert to fraction form
254,241,113.97/381,365,213.90 = 72,488,291.97/x - Step 3: Cross multiply
254,241,113.97x = 381,365,213.90 × 72,488,291.97 - Step 4: Simplify right side
254,241,113.97x = 27,644,512,972,022,260 - Step 5: Solve for x
x = 27,644,512,972,022,260/254,241,113.97 - Step 6: Final answer
x = 108,733,448.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.