Finding the Fourth Proportional to 209,220,475.91, 288,717,011.67 and 115,125,823.56
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Solution
The fourth proportional to 209,220,475.91, 288,717,011.67 and 115,125,823.56 is: 158,869,649.83
Step by Step Solution
- Step 1: Write the proportion equation
209,220,475.91 : 288,717,011.67 = 115,125,823.56 : x - Step 2: Convert to fraction form
209,220,475.91/288,717,011.67 = 115,125,823.56/x - Step 3: Cross multiply
209,220,475.91x = 288,717,011.67 × 115,125,823.56 - Step 4: Simplify right side
209,220,475.91x = 33,238,783,744,290,884 - Step 5: Solve for x
x = 33,238,783,744,290,884/209,220,475.91 - Step 6: Final answer
x = 158,869,649.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.