Finding the Fourth Proportional to 84,649,238.66, 116,825,082.17 and 47,975,873.06
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Solution
The fourth proportional to 84,649,238.66, 116,825,082.17 and 47,975,873.06 is: 66,211,880.95
Step by Step Solution
- Step 1: Write the proportion equation
84,649,238.66 : 116,825,082.17 = 47,975,873.06 : x - Step 2: Convert to fraction form
84,649,238.66/116,825,082.17 = 47,975,873.06/x - Step 3: Cross multiply
84,649,238.66x = 116,825,082.17 × 47,975,873.06 - Step 4: Simplify right side
84,649,238.66x = 5,604,785,312,411,990 - Step 5: Solve for x
x = 5,604,785,312,411,990/84,649,238.66 - Step 6: Final answer
x = 66,211,880.95
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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.