Finding the Fourth Proportional to 70,586,736.26, 97,412,624.52 and 39,224,668.10
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Solution
The fourth proportional to 70,586,736.26, 97,412,624.52 and 39,224,668.10 is: 54,131,669.32
Step by Step Solution
- Step 1: Write the proportion equation
70,586,736.26 : 97,412,624.52 = 39,224,668.10 : x - Step 2: Convert to fraction form
70,586,736.26/97,412,624.52 = 39,224,668.10/x - Step 3: Cross multiply
70,586,736.26x = 97,412,624.52 × 39,224,668.10 - Step 4: Simplify right side
70,586,736.26x = 3,820,977,865,546,922 - Step 5: Solve for x
x = 3,820,977,865,546,922/70,586,736.26 - Step 6: Final answer
x = 54,131,669.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.