Finding the Fourth Proportional to 106,905,489.75, 147,529,575.90 and 58,012,917.75
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Solution
The fourth proportional to 106,905,489.75, 147,529,575.90 and 58,012,917.75 is: 80,057,826.52
Step by Step Solution
- Step 1: Write the proportion equation
106,905,489.75 : 147,529,575.90 = 58,012,917.75 : x - Step 2: Convert to fraction form
106,905,489.75/147,529,575.90 = 58,012,917.75/x - Step 3: Cross multiply
106,905,489.75x = 147,529,575.90 × 58,012,917.75 - Step 4: Simplify right side
106,905,489.75x = 8,558,621,152,379,083 - Step 5: Solve for x
x = 8,558,621,152,379,083/106,905,489.75 - Step 6: Final answer
x = 80,057,826.52
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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.