Finding the Fourth Proportional to 157,464,793.65, 236,197,190.48 and 138,332,917.65
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Solution
The fourth proportional to 157,464,793.65, 236,197,190.48 and 138,332,917.65 is: 207,499,376.48
Step by Step Solution
- Step 1: Write the proportion equation
157,464,793.65 : 236,197,190.48 = 138,332,917.65 : x - Step 2: Convert to fraction form
157,464,793.65/236,197,190.48 = 138,332,917.65/x - Step 3: Cross multiply
157,464,793.65x = 236,197,190.48 × 138,332,917.65 - Step 4: Simplify right side
157,464,793.65x = 32,673,846,499,139,540 - Step 5: Solve for x
x = 32,673,846,499,139,540/157,464,793.65 - Step 6: Final answer
x = 207,499,376.48
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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.