Finding the Fourth Proportional to 66,331,232.80, 99,402,370.80 and 48,923,587.60
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Solution
The fourth proportional to 66,331,232.80, 99,402,370.80 and 48,923,587.60 is: 73,315,697.45
Step by Step Solution
- Step 1: Write the proportion equation
66,331,232.80 : 99,402,370.80 = 48,923,587.60 : x - Step 2: Convert to fraction form
66,331,232.80/99,402,370.80 = 48,923,587.60/x - Step 3: Cross multiply
66,331,232.80x = 99,402,370.80 × 48,923,587.60 - Step 4: Simplify right side
66,331,232.80x = 4,863,120,595,481,482 - Step 5: Solve for x
x = 4,863,120,595,481,482/66,331,232.80 - Step 6: Final answer
x = 73,315,697.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.