Finding the Fourth Proportional to 228,881,289.97, 315,862,166.42 and 124,465,468.15
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Solution
The fourth proportional to 228,881,289.97, 315,862,166.42 and 124,465,468.15 is: 171,765,601.37
Step by Step Solution
- Step 1: Write the proportion equation
228,881,289.97 : 315,862,166.42 = 124,465,468.15 : x - Step 2: Convert to fraction form
228,881,289.97/315,862,166.42 = 124,465,468.15/x - Step 3: Cross multiply
228,881,289.97x = 315,862,166.42 × 124,465,468.15 - Step 4: Simplify right side
228,881,289.97x = 39,313,932,414,338,512 - Step 5: Solve for x
x = 39,313,932,414,338,512/228,881,289.97 - Step 6: Final answer
x = 171,765,601.37
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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.