Finding the Fourth Proportional to 341,939,880.72, 471,877,438.80 and 185,306,987.30
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Solution
The fourth proportional to 341,939,880.72, 471,877,438.80 and 185,306,987.30 is: 255,723,861.08
Step by Step Solution
- Step 1: Write the proportion equation
341,939,880.72 : 471,877,438.80 = 185,306,987.30 : x - Step 2: Convert to fraction form
341,939,880.72/471,877,438.80 = 185,306,987.30/x - Step 3: Cross multiply
341,939,880.72x = 471,877,438.80 × 185,306,987.30 - Step 4: Simplify right side
341,939,880.72x = 87,442,186,556,508,736 - Step 5: Solve for x
x = 87,442,186,556,508,736/341,939,880.72 - Step 6: Final answer
x = 255,723,861.08
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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.