Finding the Fourth Proportional to 272,079,257.70, 408,544,039.35 and 157,288,001.70
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Solution
The fourth proportional to 272,079,257.70, 408,544,039.35 and 157,288,001.70 is: 236,177,781.79
Step by Step Solution
- Step 1: Write the proportion equation
272,079,257.70 : 408,544,039.35 = 157,288,001.70 : x - Step 2: Convert to fraction form
272,079,257.70/408,544,039.35 = 157,288,001.70/x - Step 3: Cross multiply
272,079,257.70x = 408,544,039.35 × 157,288,001.70 - Step 4: Simplify right side
272,079,257.70x = 64,259,075,555,807,664 - Step 5: Solve for x
x = 64,259,075,555,807,664/272,079,257.70 - Step 6: Final answer
x = 236,177,781.79
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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.