Finding the Fourth Proportional to 84,428,493.09, 116,512,510.36 and 48,645,157.48
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Solution
The fourth proportional to 84,428,493.09, 116,512,510.36 and 48,645,157.48 is: 67,131,002.90
Step by Step Solution
- Step 1: Write the proportion equation
84,428,493.09 : 116,512,510.36 = 48,645,157.48 : x - Step 2: Convert to fraction form
84,428,493.09/116,512,510.36 = 48,645,157.48/x - Step 3: Cross multiply
84,428,493.09x = 116,512,510.36 × 48,645,157.48 - Step 4: Simplify right side
84,428,493.09x = 5,667,769,414,852,331 - Step 5: Solve for x
x = 5,667,769,414,852,331/84,428,493.09 - Step 6: Final answer
x = 67,131,002.90
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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.