Finding the Fourth Proportional to 197,876,586.32, 296,860,479.03 and 68,484,197.93
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Solution
The fourth proportional to 197,876,586.32, 296,860,479.03 and 68,484,197.93 is: 102,742,078.69
Step by Step Solution
- Step 1: Write the proportion equation
197,876,586.32 : 296,860,479.03 = 68,484,197.93 : x - Step 2: Convert to fraction form
197,876,586.32/296,860,479.03 = 68,484,197.93/x - Step 3: Cross multiply
197,876,586.32x = 296,860,479.03 × 68,484,197.93 - Step 4: Simplify right side
197,876,586.32x = 20,330,251,802,000,828 - Step 5: Solve for x
x = 20,330,251,802,000,828/197,876,586.32 - Step 6: Final answer
x = 102,742,078.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.