Finding the Fourth Proportional to 108,219,910.84, 149,339,474.48 and 58,659,220.44
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Solution
The fourth proportional to 108,219,910.84, 149,339,474.48 and 58,659,220.44 is: 80,947,554.71
Step by Step Solution
- Step 1: Write the proportion equation
108,219,910.84 : 149,339,474.48 = 58,659,220.44 : x - Step 2: Convert to fraction form
108,219,910.84/149,339,474.48 = 58,659,220.44/x - Step 3: Cross multiply
108,219,910.84x = 149,339,474.48 × 58,659,220.44 - Step 4: Simplify right side
108,219,910.84x = 8,760,137,153,916,073 - Step 5: Solve for x
x = 8,760,137,153,916,073/108,219,910.84 - Step 6: Final answer
x = 80,947,554.71
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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.