Finding the Fourth Proportional to 201,456,021.90, 302,258,682.45 and 80,374,370.70
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Solution
The fourth proportional to 201,456,021.90, 302,258,682.45 and 80,374,370.70 is: 120,591,338.80
Step by Step Solution
- Step 1: Write the proportion equation
201,456,021.90 : 302,258,682.45 = 80,374,370.70 : x - Step 2: Convert to fraction form
201,456,021.90/302,258,682.45 = 80,374,370.70/x - Step 3: Cross multiply
201,456,021.90x = 302,258,682.45 × 80,374,370.70 - Step 4: Simplify right side
201,456,021.90x = 24,293,851,390,529,884 - Step 5: Solve for x
x = 24,293,851,390,529,884/201,456,021.90 - Step 6: Final answer
x = 120,591,338.80
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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.