Finding the Fourth Proportional to 252,303,353.94, 348,178,697.73 and 139,272,914.28
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Solution
The fourth proportional to 252,303,353.94, 348,178,697.73 and 139,272,914.28 is: 192,196,659.96
Step by Step Solution
- Step 1: Write the proportion equation
252,303,353.94 : 348,178,697.73 = 139,272,914.28 : x - Step 2: Convert to fraction form
252,303,353.94/348,178,697.73 = 139,272,914.28/x - Step 3: Cross multiply
252,303,353.94x = 348,178,697.73 × 139,272,914.28 - Step 4: Simplify right side
252,303,353.94x = 48,491,861,923,072,320 - Step 5: Solve for x
x = 48,491,861,923,072,320/252,303,353.94 - Step 6: Final answer
x = 192,196,659.96
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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.