Finding the Fourth Proportional to 237,710,888.86, 327,991,903.49 and 137,237,584.99
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Solution
The fourth proportional to 237,710,888.86, 327,991,903.49 and 137,237,584.99 is: 189,359,507.04
Step by Step Solution
- Step 1: Write the proportion equation
237,710,888.86 : 327,991,903.49 = 137,237,584.99 : x - Step 2: Convert to fraction form
237,710,888.86/327,991,903.49 = 137,237,584.99/x - Step 3: Cross multiply
237,710,888.86x = 327,991,903.49 × 137,237,584.99 - Step 4: Simplify right side
237,710,888.86x = 45,012,816,732,403,832 - Step 5: Solve for x
x = 45,012,816,732,403,832/237,710,888.86 - Step 6: Final answer
x = 189,359,507.04
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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.