Finding the Fourth Proportional to 148,231,234.79, 204,559,123.41 and 82,155,998.99
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Solution
The fourth proportional to 148,231,234.79, 204,559,123.41 and 82,155,998.99 is: 113,375,289.36
Step by Step Solution
- Step 1: Write the proportion equation
148,231,234.79 : 204,559,123.41 = 82,155,998.99 : x - Step 2: Convert to fraction form
148,231,234.79/204,559,123.41 = 82,155,998.99/x - Step 3: Cross multiply
148,231,234.79x = 204,559,123.41 × 82,155,998.99 - Step 4: Simplify right side
148,231,234.79x = 16,805,759,136,267,244 - Step 5: Solve for x
x = 16,805,759,136,267,244/148,231,234.79 - Step 6: Final answer
x = 113,375,289.36
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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.