Finding the Fourth Proportional to 115,875,286.92, 159,905,324.24 and 62,950,626.84
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Solution
The fourth proportional to 115,875,286.92, 159,905,324.24 and 62,950,626.84 is: 86,870,467.93
Step by Step Solution
- Step 1: Write the proportion equation
115,875,286.92 : 159,905,324.24 = 62,950,626.84 : x - Step 2: Convert to fraction form
115,875,286.92/159,905,324.24 = 62,950,626.84/x - Step 3: Cross multiply
115,875,286.92x = 159,905,324.24 × 62,950,626.84 - Step 4: Simplify right side
115,875,286.92x = 10,066,140,395,961,448 - Step 5: Solve for x
x = 10,066,140,395,961,448/115,875,286.92 - Step 6: Final answer
x = 86,870,467.93
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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.