Finding the Fourth Proportional to 88,303,881.94, 121,858,142.49 and 49,145,652.42
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Solution
The fourth proportional to 88,303,881.94, 121,858,142.49 and 49,145,652.42 is: 67,820,324.36
Step by Step Solution
- Step 1: Write the proportion equation
88,303,881.94 : 121,858,142.49 = 49,145,652.42 : x - Step 2: Convert to fraction form
88,303,881.94/121,858,142.49 = 49,145,652.42/x - Step 3: Cross multiply
88,303,881.94x = 121,858,142.49 × 49,145,652.42 - Step 4: Simplify right side
88,303,881.94x = 5,988,797,915,360,373 - Step 5: Solve for x
x = 5,988,797,915,360,373/88,303,881.94 - Step 6: Final answer
x = 67,820,324.36
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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.