Finding the Fourth Proportional to 115,336,178.56, 159,157,450.56 and 63,125,107.84
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Solution
The fourth proportional to 115,336,178.56, 159,157,450.56 and 63,125,107.84 is: 87,109,104.49
Step by Step Solution
- Step 1: Write the proportion equation
115,336,178.56 : 159,157,450.56 = 63,125,107.84 : x - Step 2: Convert to fraction form
115,336,178.56/159,157,450.56 = 63,125,107.84/x - Step 3: Cross multiply
115,336,178.56x = 159,157,450.56 × 63,125,107.84 - Step 4: Simplify right side
115,336,178.56x = 10,046,831,230,139,470 - Step 5: Solve for x
x = 10,046,831,230,139,470/115,336,178.56 - Step 6: Final answer
x = 87,109,104.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.