Finding the Fourth Proportional to 194,925,612.60, 292,467,150.90 and 85,771,567.80
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Solution
The fourth proportional to 194,925,612.60, 292,467,150.90 and 85,771,567.80 is: 128,691,995.52
Step by Step Solution
- Step 1: Write the proportion equation
194,925,612.60 : 292,467,150.90 = 85,771,567.80 : x - Step 2: Convert to fraction form
194,925,612.60/292,467,150.90 = 85,771,567.80/x - Step 3: Cross multiply
194,925,612.60x = 292,467,150.90 × 85,771,567.80 - Step 4: Simplify right side
194,925,612.60x = 25,085,366,062,692,180 - Step 5: Solve for x
x = 25,085,366,062,692,180/194,925,612.60 - Step 6: Final answer
x = 128,691,995.52
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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.