Finding the Fourth Proportional to 228,516,147.36, 315,351,297.36 and 124,093,357.92
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Solution
The fourth proportional to 228,516,147.36, 315,351,297.36 and 124,093,357.92 is: 171,248,298.49
Step by Step Solution
- Step 1: Write the proportion equation
228,516,147.36 : 315,351,297.36 = 124,093,357.92 : x - Step 2: Convert to fraction form
228,516,147.36/315,351,297.36 = 124,093,357.92/x - Step 3: Cross multiply
228,516,147.36x = 315,351,297.36 × 124,093,357.92 - Step 4: Simplify right side
228,516,147.36x = 39,133,001,413,830,832 - Step 5: Solve for x
x = 39,133,001,413,830,832/228,516,147.36 - Step 6: Final answer
x = 171,248,298.49
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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.