Finding the Fourth Proportional to 201,780,220.90, 302,670,331.35 and 56,236,245.70
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Solution
The fourth proportional to 201,780,220.90, 302,670,331.35 and 56,236,245.70 is: 84,354,368.55
Step by Step Solution
- Step 1: Write the proportion equation
201,780,220.90 : 302,670,331.35 = 56,236,245.70 : x - Step 2: Convert to fraction form
201,780,220.90/302,670,331.35 = 56,236,245.70/x - Step 3: Cross multiply
201,780,220.90x = 302,670,331.35 × 56,236,245.70 - Step 4: Simplify right side
201,780,220.90x = 17,021,043,119,899,014 - Step 5: Solve for x
x = 17,021,043,119,899,014/201,780,220.90 - Step 6: Final answer
x = 84,354,368.55
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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.