Finding the Fourth Proportional to 157,224,234.70, 235,836,352.05 and 99,970,324.30
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Solution
The fourth proportional to 157,224,234.70, 235,836,352.05 and 99,970,324.30 is: 149,955,486.45
Step by Step Solution
- Step 1: Write the proportion equation
157,224,234.70 : 235,836,352.05 = 99,970,324.30 : x - Step 2: Convert to fraction form
157,224,234.70/235,836,352.05 = 99,970,324.30/x - Step 3: Cross multiply
157,224,234.70x = 235,836,352.05 × 99,970,324.30 - Step 4: Simplify right side
157,224,234.70x = 23,576,636,596,167,472 - Step 5: Solve for x
x = 23,576,636,596,167,472/157,224,234.70 - Step 6: Final answer
x = 149,955,486.45
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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.