Finding the Fourth Proportional to 87,417,611.55, 120,633,135.42 and 48,258,545.49
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Solution
The fourth proportional to 87,417,611.55, 120,633,135.42 and 48,258,545.49 is: 66,595,043.61
Step by Step Solution
- Step 1: Write the proportion equation
87,417,611.55 : 120,633,135.42 = 48,258,545.49 : x - Step 2: Convert to fraction form
87,417,611.55/120,633,135.42 = 48,258,545.49/x - Step 3: Cross multiply
87,417,611.55x = 120,633,135.42 × 48,258,545.49 - Step 4: Simplify right side
87,417,611.55x = 5,821,579,653,267,401 - Step 5: Solve for x
x = 5,821,579,653,267,401/87,417,611.55 - Step 6: Final answer
x = 66,595,043.61
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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.