Finding the Fourth Proportional to 120,838,885.09, 181,385,108.93 and 107,093,786.92
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Solution
The fourth proportional to 120,838,885.09, 181,385,108.93 and 107,093,786.92 is: 160,753,040.65
Step by Step Solution
- Step 1: Write the proportion equation
120,838,885.09 : 181,385,108.93 = 107,093,786.92 : x - Step 2: Convert to fraction form
120,838,885.09/181,385,108.93 = 107,093,786.92/x - Step 3: Cross multiply
120,838,885.09x = 181,385,108.93 × 107,093,786.92 - Step 4: Simplify right side
120,838,885.09x = 19,425,218,206,024,684 - Step 5: Solve for x
x = 19,425,218,206,024,684/120,838,885.09 - Step 6: Final answer
x = 160,753,040.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.