Finding the Fourth Proportional to 106,243,475.37, 146,612,125.23 and 59,198,118.06
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Solution
The fourth proportional to 106,243,475.37, 146,612,125.23 and 59,198,118.06 is: 81,691,246.15
Step by Step Solution
- Step 1: Write the proportion equation
106,243,475.37 : 146,612,125.23 = 59,198,118.06 : x - Step 2: Convert to fraction form
106,243,475.37/146,612,125.23 = 59,198,118.06/x - Step 3: Cross multiply
106,243,475.37x = 146,612,125.23 × 59,198,118.06 - Step 4: Simplify right side
106,243,475.37x = 8,679,161,898,393,044 - Step 5: Solve for x
x = 8,679,161,898,393,044/106,243,475.37 - Step 6: Final answer
x = 81,691,246.15
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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.