Finding the Fourth Proportional to 129,536,197.80, 194,304,296.70 and 33,798,085.80
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Solution
The fourth proportional to 129,536,197.80, 194,304,296.70 and 33,798,085.80 is: 50,697,128.70
Step by Step Solution
- Step 1: Write the proportion equation
129,536,197.80 : 194,304,296.70 = 33,798,085.80 : x - Step 2: Convert to fraction form
129,536,197.80/194,304,296.70 = 33,798,085.80/x - Step 3: Cross multiply
129,536,197.80x = 194,304,296.70 × 33,798,085.80 - Step 4: Simplify right side
129,536,197.80x = 6,567,113,291,175,256 - Step 5: Solve for x
x = 6,567,113,291,175,256/129,536,197.80 - Step 6: Final answer
x = 50,697,128.70
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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.