Finding the Fourth Proportional to 106,243,542.99, 146,612,218.53 and 59,198,185.71
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Solution
The fourth proportional to 106,243,542.99, 146,612,218.53 and 59,198,185.71 is: 81,691,339.50
Step by Step Solution
- Step 1: Write the proportion equation
106,243,542.99 : 146,612,218.53 = 59,198,185.71 : x - Step 2: Convert to fraction form
106,243,542.99/146,612,218.53 = 59,198,185.71/x - Step 3: Cross multiply
106,243,542.99x = 146,612,218.53 × 59,198,185.71 - Step 4: Simplify right side
106,243,542.99x = 8,679,177,339,894,043 - Step 5: Solve for x
x = 8,679,177,339,894,043/106,243,542.99 - Step 6: Final answer
x = 81,691,339.50
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1.5x scale
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.