Finding the Fourth Proportional to 230,887,171.23, 318,620,358.48 and 125,039,728.74
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Solution
The fourth proportional to 230,887,171.23, 318,620,358.48 and 125,039,728.74 is: 172,552,693.09
Step by Step Solution
- Step 1: Write the proportion equation
230,887,171.23 : 318,620,358.48 = 125,039,728.74 : x - Step 2: Convert to fraction form
230,887,171.23/318,620,358.48 = 125,039,728.74/x - Step 3: Cross multiply
230,887,171.23x = 318,620,358.48 × 125,039,728.74 - Step 4: Simplify right side
230,887,171.23x = 39,840,203,195,380,760 - Step 5: Solve for x
x = 39,840,203,195,380,760/230,887,171.23 - Step 6: Final answer
x = 172,552,693.09
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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.