Finding the Fourth Proportional to 107,421,504.48, 161,132,109.12 and 49,882,311.36
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Solution
The fourth proportional to 107,421,504.48, 161,132,109.12 and 49,882,311.36 is: 74,823,398.50
Step by Step Solution
- Step 1: Write the proportion equation
107,421,504.48 : 161,132,109.12 = 49,882,311.36 : x - Step 2: Convert to fraction form
107,421,504.48/161,132,109.12 = 49,882,311.36/x - Step 3: Cross multiply
107,421,504.48x = 161,132,109.12 × 49,882,311.36 - Step 4: Simplify right side
107,421,504.48x = 8,037,642,037,217,336 - Step 5: Solve for x
x = 8,037,642,037,217,336/107,421,504.48 - Step 6: Final answer
x = 74,823,398.50
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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.