Finding the Fourth Proportional to 232,699,954.20, 349,049,931.30 and 135,765,115.80
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Solution
The fourth proportional to 232,699,954.20, 349,049,931.30 and 135,765,115.80 is: 203,647,673.70
Step by Step Solution
- Step 1: Write the proportion equation
232,699,954.20 : 349,049,931.30 = 135,765,115.80 : x - Step 2: Convert to fraction form
232,699,954.20/349,049,931.30 = 135,765,115.80/x - Step 3: Cross multiply
232,699,954.20x = 349,049,931.30 × 135,765,115.80 - Step 4: Simplify right side
232,699,954.20x = 47,388,804,342,926,552 - Step 5: Solve for x
x = 47,388,804,342,926,552/232,699,954.20 - Step 6: Final answer
x = 203,647,673.70
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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.