Finding the Fourth Proportional to 245,774,213.42, 339,173,414.33 and 134,272,276.20
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Solution
The fourth proportional to 245,774,213.42, 339,173,414.33 and 134,272,276.20 is: 185,298,472.67
Step by Step Solution
- Step 1: Write the proportion equation
245,774,213.42 : 339,173,414.33 = 134,272,276.20 : x - Step 2: Convert to fraction form
245,774,213.42/339,173,414.33 = 134,272,276.20/x - Step 3: Cross multiply
245,774,213.42x = 339,173,414.33 × 134,272,276.20 - Step 4: Simplify right side
245,774,213.42x = 45,541,586,367,943,432 - Step 5: Solve for x
x = 45,541,586,367,943,432/245,774,213.42 - Step 6: Final answer
x = 185,298,472.67
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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.