Finding the Fourth Proportional to 76,875,943.24, 106,204,032.66 and 50,476,928.68
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Solution
The fourth proportional to 76,875,943.24, 106,204,032.66 and 50,476,928.68 is: 69,733,822.52
Step by Step Solution
- Step 1: Write the proportion equation
76,875,943.24 : 106,204,032.66 = 50,476,928.68 : x - Step 2: Convert to fraction form
76,875,943.24/106,204,032.66 = 50,476,928.68/x - Step 3: Cross multiply
76,875,943.24x = 106,204,032.66 × 50,476,928.68 - Step 4: Simplify right side
76,875,943.24x = 5,360,853,382,107,210 - Step 5: Solve for x
x = 5,360,853,382,107,210/76,875,943.24 - Step 6: Final answer
x = 69,733,822.52
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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.