Finding the Fourth Proportional to 87,687,587.20, 122,964,176 and 87,687,587.20
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Solution
The fourth proportional to 87,687,587.20, 122,964,176 and 87,687,587.20 is: 122,964,176
Step by Step Solution
- Step 1: Write the proportion equation
87,687,587.20 : 122,964,176 = 87,687,587.20 : x - Step 2: Convert to fraction form
87,687,587.20/122,964,176 = 87,687,587.20/x - Step 3: Cross multiply
87,687,587.20x = 122,964,176 × 87,687,587.20 - Step 4: Simplify right side
87,687,587.20x = 10,782,431,905,476,148 - Step 5: Solve for x
x = 10,782,431,905,476,148/87,687,587.20 - Step 6: Final answer
x = 122,964,176
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.