Finding the Fourth Proportional to 207,263,456.14, 310,809,239.94 and 84,358,357.24
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Solution
The fourth proportional to 207,263,456.14, 310,809,239.94 and 84,358,357.24 is: 126,502,555.66
Step by Step Solution
- Step 1: Write the proportion equation
207,263,456.14 : 310,809,239.94 = 84,358,357.24 : x - Step 2: Convert to fraction form
207,263,456.14/310,809,239.94 = 84,358,357.24/x - Step 3: Cross multiply
207,263,456.14x = 310,809,239.94 × 84,358,357.24 - Step 4: Simplify right side
207,263,456.14x = 26,219,356,896,351,396 - Step 5: Solve for x
x = 26,219,356,896,351,396/207,263,456.14 - Step 6: Final answer
x = 126,502,555.66
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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.