Finding the Fourth Proportional to 122,435,718.46, 168,953,540.30 and 67,431,574.96
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Solution
The fourth proportional to 122,435,718.46, 168,953,540.30 and 67,431,574.96 is: 93,051,304.48
Step by Step Solution
- Step 1: Write the proportion equation
122,435,718.46 : 168,953,540.30 = 67,431,574.96 : x - Step 2: Convert to fraction form
122,435,718.46/168,953,540.30 = 67,431,574.96/x - Step 3: Cross multiply
122,435,718.46x = 168,953,540.30 × 67,431,574.96 - Step 4: Simplify right side
122,435,718.46x = 11,392,803,317,496,830 - Step 5: Solve for x
x = 11,392,803,317,496,830/122,435,718.46 - Step 6: Final answer
x = 93,051,304.48
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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.