Finding the Fourth Proportional to 195,354,680.80, 292,780,078.80 and 149,690,120.80
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Solution
The fourth proportional to 195,354,680.80, 292,780,078.80 and 149,690,120.80 is: 224,342,130.86
Step by Step Solution
- Step 1: Write the proportion equation
195,354,680.80 : 292,780,078.80 = 149,690,120.80 : x - Step 2: Convert to fraction form
195,354,680.80/292,780,078.80 = 149,690,120.80/x - Step 3: Cross multiply
195,354,680.80x = 292,780,078.80 × 149,690,120.80 - Step 4: Simplify right side
195,354,680.80x = 43,826,285,363,405,528 - Step 5: Solve for x
x = 43,826,285,363,405,528/195,354,680.80 - Step 6: Final answer
x = 224,342,130.86
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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.