Finding the Fourth Proportional to 199,331,234.70, 298,996,852.05 and 145,583,522.70
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Solution
The fourth proportional to 199,331,234.70, 298,996,852.05 and 145,583,522.70 is: 218,375,284.05
Step by Step Solution
- Step 1: Write the proportion equation
199,331,234.70 : 298,996,852.05 = 145,583,522.70 : x - Step 2: Convert to fraction form
199,331,234.70/298,996,852.05 = 145,583,522.70/x - Step 3: Cross multiply
199,331,234.70x = 298,996,852.05 × 145,583,522.70 - Step 4: Simplify right side
199,331,234.70x = 43,529,014,997,649,712 - Step 5: Solve for x
x = 43,529,014,997,649,712/199,331,234.70 - Step 6: Final answer
x = 218,375,284.05
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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.