Finding the Fourth Proportional to 71,709,235.70, 107,615,668.44 and 28,553,568.08
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Solution
The fourth proportional to 71,709,235.70, 107,615,668.44 and 28,553,568.08 is: 42,850,984.05
Step by Step Solution
- Step 1: Write the proportion equation
71,709,235.70 : 107,615,668.44 = 28,553,568.08 : x - Step 2: Convert to fraction form
71,709,235.70/107,615,668.44 = 28,553,568.08/x - Step 3: Cross multiply
71,709,235.70x = 107,615,668.44 × 28,553,568.08 - Step 4: Simplify right side
71,709,235.70x = 3,072,811,315,276,247 - Step 5: Solve for x
x = 3,072,811,315,276,247/71,709,235.70 - Step 6: Final answer
x = 42,850,984.05
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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.