Finding the Fourth Proportional to 122,353,725.60, 168,852,596.28 and 66,596,450.88
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Solution
The fourth proportional to 122,353,725.60, 168,852,596.28 and 66,596,450.88 is: 91,905,527.02
Step by Step Solution
- Step 1: Write the proportion equation
122,353,725.60 : 168,852,596.28 = 66,596,450.88 : x - Step 2: Convert to fraction form
122,353,725.60/168,852,596.28 = 66,596,450.88/x - Step 3: Cross multiply
122,353,725.60x = 168,852,596.28 × 66,596,450.88 - Step 4: Simplify right side
122,353,725.60x = 11,244,983,634,121,492 - Step 5: Solve for x
x = 11,244,983,634,121,492/122,353,725.60 - Step 6: Final answer
x = 91,905,527.02
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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.