Finding the Fourth Proportional to 87,661,622.18, 131,230,283.38 and 53,013,163.66
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Solution
The fourth proportional to 87,661,622.18, 131,230,283.38 and 53,013,163.66 is: 79,361,210.95
Step by Step Solution
- Step 1: Write the proportion equation
87,661,622.18 : 131,230,283.38 = 53,013,163.66 : x - Step 2: Convert to fraction form
87,661,622.18/131,230,283.38 = 53,013,163.66/x - Step 3: Cross multiply
87,661,622.18x = 131,230,283.38 × 53,013,163.66 - Step 4: Simplify right side
87,661,622.18x = 6,956,932,489,972,117 - Step 5: Solve for x
x = 6,956,932,489,972,117/87,661,622.18 - Step 6: Final answer
x = 79,361,210.95
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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.