Finding the Fourth Proportional to 197,187,538.68, 295,808,224.50 and 82,145,176.79
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Solution
The fourth proportional to 197,187,538.68, 295,808,224.50 and 82,145,176.79 is: 123,228,978.15
Step by Step Solution
- Step 1: Write the proportion equation
197,187,538.68 : 295,808,224.50 = 82,145,176.79 : x - Step 2: Convert to fraction form
197,187,538.68/295,808,224.50 = 82,145,176.79/x - Step 3: Cross multiply
197,187,538.68x = 295,808,224.50 × 82,145,176.79 - Step 4: Simplify right side
197,187,538.68x = 24,299,218,896,009,468 - Step 5: Solve for x
x = 24,299,218,896,009,468/197,187,538.68 - Step 6: Final answer
x = 123,228,978.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.