Finding the Fourth Proportional to 197,705,187.36, 296,607,165.39 and 139,526,422.00
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Solution
The fourth proportional to 197,705,187.36, 296,607,165.39 and 139,526,422.00 is: 209,324,485.00
Step by Step Solution
- Step 1: Write the proportion equation
197,705,187.36 : 296,607,165.39 = 139,526,422.00 : x - Step 2: Convert to fraction form
197,705,187.36/296,607,165.39 = 139,526,422.00/x - Step 3: Cross multiply
197,705,187.36x = 296,607,165.39 × 139,526,422.00 - Step 4: Simplify right side
197,705,187.36x = 41,384,536,525,687,416 - Step 5: Solve for x
x = 41,384,536,525,687,416/197,705,187.36 - Step 6: Final answer
x = 209,324,485.00
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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.