Finding the Fourth Proportional to 201,773,722.60, 302,660,583.90 and 129,072,593.80
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Solution
The fourth proportional to 201,773,722.60, 302,660,583.90 and 129,072,593.80 is: 193,608,890.70
Step by Step Solution
- Step 1: Write the proportion equation
201,773,722.60 : 302,660,583.90 = 129,072,593.80 : x - Step 2: Convert to fraction form
201,773,722.60/302,660,583.90 = 129,072,593.80/x - Step 3: Cross multiply
201,773,722.60x = 302,660,583.90 × 129,072,593.80 - Step 4: Simplify right side
201,773,722.60x = 39,065,186,604,995,512 - Step 5: Solve for x
x = 39,065,186,604,995,512/201,773,722.60 - Step 6: Final answer
x = 193,608,890.70
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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.