Finding the Fourth Proportional to 66,529,406.90, 99,794,110.35 and 44,988,331.70
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Solution
The fourth proportional to 66,529,406.90, 99,794,110.35 and 44,988,331.70 is: 67,482,497.55
Step by Step Solution
- Step 1: Write the proportion equation
66,529,406.90 : 99,794,110.35 = 44,988,331.70 : x - Step 2: Convert to fraction form
66,529,406.90/99,794,110.35 = 44,988,331.70/x - Step 3: Cross multiply
66,529,406.90x = 99,794,110.35 × 44,988,331.70 - Step 4: Simplify right side
66,529,406.90x = 4,489,570,538,132,203 - Step 5: Solve for x
x = 4,489,570,538,132,203/66,529,406.90 - Step 6: Final answer
x = 67,482,497.55
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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.