Finding the Fourth Proportional to 87,163,801.40, 120,291,486.08 and 48,005,568.23
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Solution
The fourth proportional to 87,163,801.40, 120,291,486.08 and 48,005,568.23 is: 66,250,680.32
Step by Step Solution
- Step 1: Write the proportion equation
87,163,801.40 : 120,291,486.08 = 48,005,568.23 : x - Step 2: Convert to fraction form
87,163,801.40/120,291,486.08 = 48,005,568.23/x - Step 3: Cross multiply
87,163,801.40x = 120,291,486.08 × 48,005,568.23 - Step 4: Simplify right side
87,163,801.40x = 5,774,661,141,660,050 - Step 5: Solve for x
x = 5,774,661,141,660,050/87,163,801.40 - Step 6: Final answer
x = 66,250,680.32
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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.