Finding the Fourth Proportional to 83,445,586.80, 125,168,380.20 and 57,936,418.80
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Solution
The fourth proportional to 83,445,586.80, 125,168,380.20 and 57,936,418.80 is: 86,904,628.20
Step by Step Solution
- Step 1: Write the proportion equation
83,445,586.80 : 125,168,380.20 = 57,936,418.80 : x - Step 2: Convert to fraction form
83,445,586.80/125,168,380.20 = 57,936,418.80/x - Step 3: Cross multiply
83,445,586.80x = 125,168,380.20 × 57,936,418.80 - Step 4: Simplify right side
83,445,586.80x = 7,251,807,695,784,828 - Step 5: Solve for x
x = 7,251,807,695,784,828/83,445,586.80 - Step 6: Final answer
x = 86,904,628.20
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1.5x scale
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.