Finding the Fourth Proportional to 239,213,201.80, 358,987,764.30 and 102,996,344.20
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Solution
The fourth proportional to 239,213,201.80, 358,987,764.30 and 102,996,344.20 is: 154,566,834.34
Step by Step Solution
- Step 1: Write the proportion equation
239,213,201.80 : 358,987,764.30 = 102,996,344.20 : x - Step 2: Convert to fraction form
239,213,201.80/358,987,764.30 = 102,996,344.20/x - Step 3: Cross multiply
239,213,201.80x = 358,987,764.30 × 102,996,344.20 - Step 4: Simplify right side
239,213,201.80x = 36,974,427,335,431,272 - Step 5: Solve for x
x = 36,974,427,335,431,272/239,213,201.80 - Step 6: Final answer
x = 154,566,834.34
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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.