Finding the Fourth Proportional to 177,756,512.53, 245,304,347.38 and 99,441,373.87
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Solution
The fourth proportional to 177,756,512.53, 245,304,347.38 and 99,441,373.87 is: 137,229,297.38
Step by Step Solution
- Step 1: Write the proportion equation
177,756,512.53 : 245,304,347.38 = 99,441,373.87 : x - Step 2: Convert to fraction form
177,756,512.53/245,304,347.38 = 99,441,373.87/x - Step 3: Cross multiply
177,756,512.53x = 245,304,347.38 × 99,441,373.87 - Step 4: Simplify right side
177,756,512.53x = 24,393,401,318,524,412 - Step 5: Solve for x
x = 24,393,401,318,524,412/177,756,512.53 - Step 6: Final answer
x = 137,229,297.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.