Finding the Fourth Proportional to 189,602,125.98, 261,672,212.31 and 107,101,224.06
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Solution
The fourth proportional to 189,602,125.98, 261,672,212.31 and 107,101,224.06 is: 147,811,708.84
Step by Step Solution
- Step 1: Write the proportion equation
189,602,125.98 : 261,672,212.31 = 107,101,224.06 : x - Step 2: Convert to fraction form
189,602,125.98/261,672,212.31 = 107,101,224.06/x - Step 3: Cross multiply
189,602,125.98x = 261,672,212.31 × 107,101,224.06 - Step 4: Simplify right side
189,602,125.98x = 28,025,414,240,889,200 - Step 5: Solve for x
x = 28,025,414,240,889,200/189,602,125.98 - Step 6: Final answer
x = 147,811,708.84
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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.