Finding the Fourth Proportional to 87,028,137.05, 120,107,638.08 and 49,863,347.01
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Solution
The fourth proportional to 87,028,137.05, 120,107,638.08 and 49,863,347.01 is: 68,816,466.02
Step by Step Solution
- Step 1: Write the proportion equation
87,028,137.05 : 120,107,638.08 = 49,863,347.01 : x - Step 2: Convert to fraction form
87,028,137.05/120,107,638.08 = 49,863,347.01/x - Step 3: Cross multiply
87,028,137.05x = 120,107,638.08 × 49,863,347.01 - Step 4: Simplify right side
87,028,137.05x = 5,988,968,836,134,530 - Step 5: Solve for x
x = 5,988,968,836,134,530/87,028,137.05 - Step 6: Final answer
x = 68,816,466.02
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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.