Finding the Fourth Proportional to 142,441,958.70, 213,551,313.57 and 56,244,884.49
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Solution
The fourth proportional to 142,441,958.70, 213,551,313.57 and 56,244,884.49 is: 84,323,250.49
Step by Step Solution
- Step 1: Write the proportion equation
142,441,958.70 : 213,551,313.57 = 56,244,884.49 : x - Step 2: Convert to fraction form
142,441,958.70/213,551,313.57 = 56,244,884.49/x - Step 3: Cross multiply
142,441,958.70x = 213,551,313.57 × 56,244,884.49 - Step 4: Simplify right side
142,441,958.70x = 12,011,168,964,432,420 - Step 5: Solve for x
x = 12,011,168,964,432,420/142,441,958.70 - Step 6: Final answer
x = 84,323,250.49
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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.