Finding the Fourth Proportional to 87,424,038.24, 120,645,352.44 and 48,265,890.72
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Solution
The fourth proportional to 87,424,038.24, 120,645,352.44 and 48,265,890.72 is: 66,607,028.39
Step by Step Solution
- Step 1: Write the proportion equation
87,424,038.24 : 120,645,352.44 = 48,265,890.72 : x - Step 2: Convert to fraction form
87,424,038.24/120,645,352.44 = 48,265,890.72/x - Step 3: Cross multiply
87,424,038.24x = 120,645,352.44 × 48,265,890.72 - Step 4: Simplify right side
87,424,038.24x = 5,823,055,396,744,925 - Step 5: Solve for x
x = 5,823,055,396,744,925/87,424,038.24 - Step 6: Final answer
x = 66,607,028.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.