Finding the Fourth Proportional to 122,589,869.58, 169,166,367.27 and 67,585,726.08
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Solution
The fourth proportional to 122,589,869.58, 169,166,367.27 and 67,585,726.08 is: 93,264,082.91
Step by Step Solution
- Step 1: Write the proportion equation
122,589,869.58 : 169,166,367.27 = 67,585,726.08 : x - Step 2: Convert to fraction form
122,589,869.58/169,166,367.27 = 67,585,726.08/x - Step 3: Cross multiply
122,589,869.58x = 169,166,367.27 × 67,585,726.08 - Step 4: Simplify right side
122,589,869.58x = 11,433,231,760,258,898 - Step 5: Solve for x
x = 11,433,231,760,258,898/122,589,869.58 - Step 6: Final answer
x = 93,264,082.91
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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.