Finding the Fourth Proportional to 125,239,912.14, 172,825,223.30 and 69,484,739.17
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Solution
The fourth proportional to 125,239,912.14, 172,825,223.30 and 69,484,739.17 is: 95,885,691.37
Step by Step Solution
- Step 1: Write the proportion equation
125,239,912.14 : 172,825,223.30 = 69,484,739.17 : x - Step 2: Convert to fraction form
125,239,912.14/172,825,223.30 = 69,484,739.17/x - Step 3: Cross multiply
125,239,912.14x = 172,825,223.30 × 69,484,739.17 - Step 4: Simplify right side
125,239,912.14x = 12,008,715,562,739,156 - Step 5: Solve for x
x = 12,008,715,562,739,156/125,239,912.14 - Step 6: Final answer
x = 95,885,691.37
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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.