Finding the Fourth Proportional to 87,417,644.25, 120,633,180.48 and 48,258,578.19
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Solution
The fourth proportional to 87,417,644.25, 120,633,180.48 and 48,258,578.19 is: 66,595,088.70
Step by Step Solution
- Step 1: Write the proportion equation
87,417,644.25 : 120,633,180.48 = 48,258,578.19 : x - Step 2: Convert to fraction form
87,417,644.25/120,633,180.48 = 48,258,578.19/x - Step 3: Cross multiply
87,417,644.25x = 120,633,180.48 × 48,258,578.19 - Step 4: Simplify right side
87,417,644.25x = 5,821,585,772,502,462 - Step 5: Solve for x
x = 5,821,585,772,502,462/87,417,644.25 - Step 6: Final answer
x = 66,595,088.70
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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.