Finding the Fourth Proportional to 168,440,426.70, 252,660,640.05 and 40,789,610.70
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Solution
The fourth proportional to 168,440,426.70, 252,660,640.05 and 40,789,610.70 is: 61,184,416.05
Step by Step Solution
- Step 1: Write the proportion equation
168,440,426.70 : 252,660,640.05 = 40,789,610.70 : x - Step 2: Convert to fraction form
168,440,426.70/252,660,640.05 = 40,789,610.70/x - Step 3: Cross multiply
168,440,426.70x = 252,660,640.05 × 40,789,610.70 - Step 4: Simplify right side
168,440,426.70x = 10,305,929,146,852,330 - Step 5: Solve for x
x = 10,305,929,146,852,330/168,440,426.70 - Step 6: Final answer
x = 61,184,416.05
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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.