Finding the Fourth Proportional to 197,515,658.37, 272,353,225.14 and 125,875,108.32
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Solution
The fourth proportional to 197,515,658.37, 272,353,225.14 and 125,875,108.32 is: 173,568,475.53
Step by Step Solution
- Step 1: Write the proportion equation
197,515,658.37 : 272,353,225.14 = 125,875,108.32 : x - Step 2: Convert to fraction form
197,515,658.37/272,353,225.14 = 125,875,108.32/x - Step 3: Cross multiply
197,515,658.37x = 272,353,225.14 × 125,875,108.32 - Step 4: Simplify right side
197,515,658.37x = 34,282,491,715,798,844 - Step 5: Solve for x
x = 34,282,491,715,798,844/197,515,658.37 - Step 6: Final answer
x = 173,568,475.53
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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.